\frac{dx_{1}}{dt} = \left(-1 \cdot k_{138} \cdot k_{153} + -1 \cdot k_{91} \cdot x_{1} \cdot x_{4} / \left(x_{4} + k_{7} \cdot k_{153}\right) + -1 \cdot k_{32} \cdot x_{1} \cdot x_{39} / \left(x_{39} + k_{77} \cdot x_{33} + k_{21} \cdot k_{153}\right) \cdot x_{5} / \left(k_{9} \cdot k_{153} + x_{4} + x_{5}\right) + -1 \cdot k_{43} \cdot x_{1} \cdot x_{29} / \left(k_{27} + x_{29}\right) + 1 \cdot k_{31} \cdot x_{2} \cdot x_{35} / \left(x_{35} + k_{20} \cdot k_{153}\right) + 1 \cdot k_{128} \cdot k_{153} + 1 \cdot k_{100} \cdot x_{2} + 1 \cdot k_{100} \cdot k_{161} \cdot x_{3} + 1 \cdot x_{29} \cdot k_{153} \cdot k_{111} \cdot k_{110} / \left(k_{19} + x_{29}\right) / \left(k_{26} + x_{29} / \left(k_{19} + x_{29}\right)\right) + -1 \cdot k_{46} \cdot x_{1} + -1 \cdot k_{32} \cdot x_{39} \cdot x_{1} / \left(x_{39} + k_{77} \cdot x_{33} + k_{21} \cdot k_{153}\right) \cdot x_{4} / \left(k_{9} \cdot k_{153} + x_{4} + x_{5}\right)\right) / k_{279}\\ \frac{dx_{2}}{dt} = \left(1 \cdot k_{32} \cdot x_{1} \cdot x_{39} / \left(x_{39} + k_{77} \cdot x_{33} + k_{21} \cdot k_{153}\right) \cdot x_{4} / \left(k_{9} \cdot k_{153} + x_{4} + x_{5}\right) + 1 \cdot k_{32} \cdot x_{1} \cdot x_{39} / \left(x_{39} + k_{77} \cdot x_{33} + k_{21} \cdot k_{153}\right) \cdot x_{5} / \left(k_{9} \cdot k_{153} + x_{4} + x_{5}\right) + 1 \cdot k_{43} \cdot x_{1} \cdot x_{29} / \left(k_{27} + x_{29}\right) + -1 \cdot k_{47} \cdot x_{2} + -1 \cdot k_{31} \cdot x_{2} \cdot x_{35} / \left(x_{35} + k_{20} \cdot k_{153}\right)\right) / k_{279}\\ \frac{dx_{3}}{dt} = \left(1 \cdot k_{91} \cdot x_{1} \cdot x_{4} / \left(x_{4} + k_{7} \cdot k_{153}\right) + -1 \cdot k_{135} \cdot k_{153} + -1 \cdot k_{92} \cdot x_{3} / \left(x_{5} / x_{3}^{2} + k_{93}^{2}\right) \cdot x_{5} / x_{3}^{2} + -1 \cdot x_{3} / k_{153} \cdot x_{8} \cdot k_{153} \cdot k_{1} / x_{3} / \left(x_{8} / x_{3} + k_{8} \cdot k_{153}\right)\right) / k_{279}\\ \frac{dx_{4}}{dt} = \left(-1 \cdot k_{6} \cdot x_{4} \cdot x_{51} / k_{153} + 1 \cdot k_{6} \cdot x_{52} / k_{97} + -1 \cdot k_{6} \cdot x_{4} \cdot x_{23} / k_{153} + 1 \cdot k_{6} \cdot x_{51} / k_{97} + -1 \cdot k_{151} \cdot k_{153} + 1 \cdot k_{98} \cdot x_{4} + 1 \cdot \left(k_{153} \cdot x_{5} \cdot k_{135} / x_{3} + k_{92} \cdot x_{3} \cdot 1 / \left(x_{5} / x_{3}^{2} + k_{93}^{2}\right) \cdot x_{5} / x_{3} \cdot x_{5} / x_{3}^{2}\right) + 1 \cdot x_{3} \cdot x_{5} / k_{153} / x_{3} \cdot x_{8} \cdot k_{153} \cdot k_{1} / x_{3} / \left(x_{8} / x_{3} + k_{8} \cdot k_{153}\right) + -1 \cdot x_{2} \cdot x_{4} \cdot k_{2} / k_{153} + -1 \cdot x_{1} \cdot x_{4} \cdot k_{3} / k_{153} + -1 \cdot x_{4} \cdot x_{6} \cdot k_{94} / k_{153} + -25 \cdot k_{91} \cdot x_{1} \cdot x_{4} / \left(x_{4} + k_{7} \cdot k_{153}\right)\right) / k_{279}\\ \frac{dx_{5}}{dt} = \left(1 \cdot x_{3} \cdot x_{1} \cdot x_{4} \cdot 25 \cdot k_{91} / \left(x_{4} + k_{7} \cdot k_{153}\right) / x_{3} + 1 \cdot k_{99} \cdot x_{3} \cdot x_{5} / x_{3} + -1 \cdot \left(k_{99} \cdot x_{3} \cdot x_{5} \cdot x_{5} / x_{3}^{2} / \left(x_{5} / x_{3}^{2} + k_{93}^{2}\right) / x_{3} + x_{3} \cdot x_{5} \cdot k_{153} \cdot k_{135} / x_{3} / x_{3} + x_{3} \cdot x_{5} \cdot x_{3} / x_{3} \cdot x_{5} / x_{3}^{2} \cdot k_{92} / \left(x_{5} / x_{3}^{2} + k_{93}^{2}\right) / x_{3}\right) + -1 \cdot x_{3} \cdot x_{5} \cdot x_{3} / x_{3} \cdot x_{8} \cdot k_{1} / x_{3} / \left(x_{8} / x_{3} + k_{8} \cdot k_{153}\right) / x_{3}\right) / k_{279}\\ \frac{dx_{6}}{dt} = \left(-1 \cdot k_{81} \cdot x_{6} \cdot x_{4} / \left(k_{11} \cdot k_{153} + x_{4}\right) + 1 \cdot k_{129} \cdot k_{153} + 1 \cdot k_{153} \cdot x_{4} \cdot k_{101} / \left(k_{10} \cdot k_{153} + x_{4}\right) + 1 \cdot \left(x_{29} \cdot k_{153} \cdot k_{131} \cdot k_{110} / \left(k_{19} + x_{29}\right) / \left(k_{26} + x_{29} / \left(k_{19} + x_{29}\right)\right) + x_{29} \cdot k_{153} \cdot k_{133} \cdot k_{110} / \left(k_{19} + x_{29}\right) / \left(k_{26} + x_{29} / \left(k_{19} + x_{29}\right)\right)\right) + -1 \cdot k_{49} \cdot x_{6} + -1 \cdot x_{6} / k_{153} \cdot x_{29} \cdot k_{153} \cdot k_{110} \cdot k_{81} / \left(k_{19} + x_{29}\right) / \left(k_{26} + x_{29} / \left(k_{19} + x_{29}\right)\right)\right) / k_{279}\\ \frac{dx_{7}}{dt} = \left(1 \cdot k_{83} \cdot x_{13} \cdot x_{2} / \left(k_{13} \cdot k_{153} + x_{2}\right) + -1 \cdot k_{35} \cdot x_{7} \cdot x_{33} / \left(x_{33} + k_{79} \cdot x_{39} + k_{24} \cdot k_{153}\right) + -1 \cdot x_{36} \cdot x_{38} \cdot k_{34} / k_{153} \cdot x_{7} / \left(x_{36} + k_{78} \cdot x_{33} + k_{80} \cdot x_{35} + k_{22} \cdot k_{153}\right) + -1 \cdot k_{44} \cdot x_{1} \cdot x_{30} \cdot x_{7} / \left(10000000 + x_{30}\right) + 1 \cdot k_{104} \cdot x_{7} \cdot x_{2} / \left(k_{14} \cdot k_{153} + x_{2}\right) + -1 \cdot k_{52} \cdot x_{7} + -1 \cdot k_{44} \cdot x_{2} \cdot x_{7} \cdot x_{30} / \left(10000000 + x_{30}\right)\right) / k_{279}\\ \frac{dx_{8}}{dt} = \left(1 \cdot x_{36} \cdot x_{38} \cdot k_{34} / k_{153} \cdot x_{7} / \left(x_{36} + k_{78} \cdot x_{33} + k_{80} \cdot x_{35} + k_{22} \cdot k_{153}\right) + 1 \cdot k_{44} \cdot x_{1} \cdot x_{30} \cdot x_{7} / \left(10000000 + x_{30}\right) + 1 \cdot k_{44} \cdot x_{2} \cdot x_{30} \cdot x_{7} / \left(10000000 + x_{30}\right) + 1 \cdot x_{8} \cdot x_{8} / k_{153} \cdot x_{29} \cdot k_{153} \cdot k_{109} / \left(k_{19} + x_{29}\right) / \left(k_{25} + x_{8} \cdot x_{29} / \left(k_{19} + x_{29}\right)\right) + -1 \cdot k_{53} \cdot x_{8}\right) / k_{279}\\ \frac{dx_{9}}{dt} = \left(-1 \cdot k_{84} \cdot x_{9} + 1 \cdot k_{35} \cdot x_{7} \cdot x_{33} / \left(x_{33} + k_{79} \cdot x_{39} + k_{24} \cdot k_{153}\right) + -1 \cdot k_{136} \cdot k_{153}\right) / k_{279}\\ \frac{dx_{10}}{dt} = \left(1 \cdot k_{81} \cdot x_{6} \cdot x_{4} / \left(k_{11} \cdot k_{153} + x_{4}\right) + 1 \cdot x_{6} / k_{155} / k_{153} \cdot x_{29} \cdot k_{155} \cdot k_{153} \cdot k_{110} \cdot k_{81} / \left(k_{19} + x_{29}\right) / \left(k_{26} + x_{29} / \left(k_{19} + x_{29}\right)\right) + -1 \cdot k_{50} \cdot x_{10}\right) / k_{279}\\ \frac{dx_{11}}{dt} = \left(-1 \cdot k_{133} \cdot k_{155} + -1 \cdot x_{10} \cdot x_{11} \cdot k_{40} / k_{155} + -1 \cdot k_{131} \cdot k_{155} + -1 \cdot x_{10} \cdot x_{11} \cdot k_{33} / k_{155} + 1 \cdot k_{130} \cdot k_{155} + 1 \cdot k_{102} \cdot x_{10} + -1 \cdot k_{51} \cdot x_{11}\right) / k_{279}\\ \frac{dx_{12}}{dt} = \left(-1 \cdot k_{82} \cdot x_{12} + 1 \cdot k_{131} \cdot k_{155} + 1 \cdot x_{10} \cdot x_{11} \cdot k_{33} / k_{155} + 1 \cdot x_{12} \cdot k_{103} / \left(k_{12} + x_{12} / k_{155}^{2}\right)\right) / k_{279}\\ \frac{dx_{13}}{dt} = \left(1 \cdot k_{82} \cdot x_{12} + -1 \cdot k_{83} \cdot x_{13} \cdot x_{2} / \left(k_{13} \cdot k_{153} + x_{2}\right) + -1 \cdot k_{71} \cdot x_{13}\right) / k_{279}\\ \frac{dx_{14}}{dt} = \left(-1 \cdot k_{85} \cdot x_{14} + 1 \cdot k_{84} \cdot x_{9}\right) / k_{279}\\ \frac{dx_{15}}{dt} = \left(1 \cdot k_{85} \cdot x_{14} + -1 \cdot k_{55} \cdot x_{15}\right) / k_{279}\\ \frac{dx_{16}}{dt} = \left(-1 \cdot k_{36} \cdot x_{16} \cdot x_{44} / \left(x_{43} + x_{44} + 1 \cdot 10^{-5}\right) + 1 \cdot k_{132} \cdot k_{152} + 1 \cdot k_{58} \cdot x_{19} + -1 \cdot k_{56} \cdot x_{16} \cdot x_{43} / \left(x_{43} + x_{44} + 1 \cdot 10^{-5}\right)\right) / k_{279}\\ \frac{dx_{17}}{dt} = \left(-1 \cdot k_{86} \cdot x_{17} + 1 \cdot k_{36} \cdot x_{16} \cdot x_{44} / \left(x_{43} + x_{44} + 1 \cdot 10^{-5}\right)\right) / k_{279}\\ \frac{dx_{18}}{dt} = \left(1 \cdot k_{86} \cdot x_{17} + 1 \cdot k_{137} \cdot k_{154} + -1 \cdot k_{87} \cdot x_{18} + \frac{-1}{2} \cdot k_{37} \cdot x_{18} \cdot x_{47} / \left(x_{47} + x_{48} + 1 \cdot 10^{-5}\right)\right) / k_{279}\\ \frac{dx_{19}}{dt} = \left(\frac{1}{2} \cdot k_{37} \cdot x_{18} \cdot x_{47} / \left(x_{47} + x_{48} + 1 \cdot 10^{-5}\right) + -2 \cdot k_{58} \cdot x_{19}\right) / k_{279}\\ \frac{dx_{20}}{dt} = \left(-1 \cdot k_{137} \cdot k_{154} + 1 \cdot k_{87} \cdot x_{18} + \frac{-1}{2} \cdot k_{39} \cdot x_{20} \cdot x_{47} / \left(x_{47} + x_{48} + 1 \cdot 10^{-5}\right) + 1 \cdot k_{106} \cdot x_{20} \cdot x_{48} / \left(x_{47} + x_{48} + 1 \cdot 10^{-5}\right) + -1 \cdot k_{59} \cdot x_{20}\right) / k_{279}\\ \frac{dx_{21}}{dt} = \left(\frac{1}{2} \cdot k_{39} \cdot x_{20} \cdot x_{47} / \left(x_{47} + x_{48} + 1 \cdot 10^{-5}\right) + -1 \cdot k_{57} \cdot x_{21}\right) / k_{279}\\ \frac{dx_{22}}{dt} = \left(-1 \cdot k_{6} \cdot x_{41} \cdot x_{22} / k_{152} + 1 \cdot k_{6} \cdot x_{49} / k_{97} + -1 \cdot k_{112} \cdot x_{22} + 1 \cdot k_{152} \cdot x_{23} \cdot k_{112} / k_{153} + 1000000 \cdot x_{18} + 1000000 \cdot x_{20} + 1000000 \cdot x_{21} + -1 \cdot k_{60} \cdot x_{22}\right) / k_{279}\\ \frac{dx_{23}}{dt} = \left(-1 \cdot k_{6} \cdot x_{4} \cdot x_{23} / k_{153} + 1 \cdot k_{6} \cdot x_{51} / k_{97} + 1 \cdot k_{112} \cdot x_{22} + -1 \cdot k_{152} \cdot x_{23} \cdot k_{112} / k_{153}\right) / k_{279}\\ \frac{dx_{24}}{dt} = \left(-1 \cdot k_{89} \cdot x_{24} + 1 \cdot k_{133} \cdot k_{155} + 1 \cdot x_{10} \cdot x_{11} \cdot k_{40} / k_{155}\right) / k_{279}\\ \frac{dx_{25}}{dt} = \left(-1 \cdot k_{90} \cdot x_{25} \cdot x_{2} / \left(k_{15} \cdot k_{153} + x_{2}\right) + 1 \cdot k_{89} \cdot x_{24} + -1 \cdot k_{72} \cdot x_{25}\right) / k_{279}\\ \frac{dx_{26}}{dt} = \left(-1 \cdot x_{26} \cdot x_{29} \cdot k_{41} / k_{153} + 1 \cdot k_{90} \cdot x_{25} \cdot x_{2} / \left(k_{15} \cdot k_{153} + x_{2}\right) + -1 \cdot k_{61} \cdot x_{26}\right) / k_{279}\\ \frac{dx_{27}}{dt} = \left(1 \cdot x_{26} \cdot x_{29} \cdot k_{41} / k_{153} + 1 \cdot x_{8} \cdot x_{27} / k_{153} \cdot x_{29} \cdot k_{153} \cdot k_{107} / \left(k_{19} + x_{29}\right) / \left(k_{19} + x_{8} \cdot x_{29} / \left(k_{19} + x_{29}\right)\right) + -1 \cdot k_{62} \cdot x_{27}\right) / k_{279}\\ \frac{dx_{28}}{dt} = \left(1 \cdot k_{138} \cdot k_{153} + -1 \cdot k_{139} \cdot k_{153}\right) / k_{279}\\ \frac{dx_{29}}{dt} = \left(-1 \cdot k_{64} \cdot x_{29} + -1 \cdot k_{4} \cdot x_{2} \cdot x_{29} / \left(100000 + x_{29}\right) + -1 \cdot k_{4} \cdot x_{27} \cdot x_{29} / \left(100000 + x_{29}\right) + 1 \cdot k_{140} \cdot k_{153}\right) / k_{279}\\ \frac{dx_{30}}{dt} = \left(-1 \cdot k_{114} \cdot x_{30} + 1 \cdot k_{153} \cdot x_{41} \cdot k_{114} / k_{152} + 1 \cdot k_{64} \cdot x_{29} + 1 \cdot k_{4} \cdot x_{2} \cdot x_{29} / \left(100000 + x_{29}\right) + 1 \cdot k_{4} \cdot x_{27} \cdot x_{29} / \left(100000 + x_{29}\right) + -1 \cdot k_{95} \cdot x_{30}\right) / k_{279}\\ \frac{dx_{31}}{dt} = \left(1 \cdot k_{141} \cdot k_{153} + -1 \cdot k_{142} \cdot k_{153}\right) / k_{279}\\ \frac{dx_{32}}{dt} = \left(1 \cdot k_{143} \cdot k_{153} + -1 \cdot k_{144} \cdot k_{153}\right) / k_{279}\\ \frac{dx_{33}}{dt} = \left(1 \cdot k_{116} \cdot x_{7} + 1 \cdot k_{117} \cdot x_{9} + -1 \cdot k_{65} \cdot x_{33}\right) / k_{279}\\ \frac{dx_{34}}{dt} = \left(1 \cdot k_{145} \cdot k_{154} + -1 \cdot k_{146} \cdot k_{154}\right) / k_{279}\\ \frac{dx_{35}}{dt} = \left(1 \cdot k_{17} \cdot k_{118} \cdot x_{2} \cdot 1 / \left(x_{35} + k_{28} \cdot x_{39} + k_{17} \cdot k_{153}\right) + 1 \cdot k_{119} \cdot x_{8} + 1 \cdot k_{120} \cdot x_{9} + 1 \cdot k_{121} \cdot x_{7} + 1 \cdot k_{122} \cdot x_{3} + -1 \cdot k_{66} \cdot x_{35}\right) / k_{279}\\ \frac{dx_{36}}{dt} = \left(1 \cdot k_{123} \cdot x_{10} + -1 \cdot \left(k_{67} \cdot x_{36} + k_{147} \cdot k_{155}\right)\right) / k_{279}\\ \frac{dx_{37}}{dt} = \left(1 \cdot k_{147} \cdot k_{152} + -1 \cdot k_{148} \cdot k_{152}\right) / k_{279}\\ \frac{dx_{38}}{dt} = \left(1 \cdot k_{148} \cdot k_{153} + 1 \cdot k_{124} \cdot x_{1} + 1 \cdot k_{125} \cdot x_{2} + -1 \cdot k_{68} \cdot x_{38}\right) / k_{279}\\ \frac{dx_{39}}{dt} = \left(1 \cdot \left(k_{134} \cdot k_{153} \cdot x_{38} \cdot x_{4} / \left(k_{29} \cdot k_{153} + x_{38}\right) / \left(k_{18} \cdot k_{153} + x_{4} + x_{5}\right) + k_{134} \cdot k_{153} \cdot x_{38} \cdot x_{5} / \left(k_{29} \cdot k_{153} + x_{38}\right) / \left(k_{18} \cdot k_{153} + x_{4} + x_{5}\right)\right) + 1 \cdot k_{153} \cdot x_{2} \cdot x_{8} \cdot k_{126} / \left(k_{30} \cdot k_{153} + x_{2}\right) + -1 \cdot k_{69} \cdot x_{39}\right) / k_{279}\\ \frac{dx_{40}}{dt} = \left(1 \cdot k_{149} \cdot k_{153} + -1 \cdot k_{150} \cdot k_{153}\right) / k_{279}\\ \frac{dx_{41}}{dt} = \left(-1 \cdot k_{6} \cdot x_{41} \cdot x_{49} / k_{152} + 1 \cdot k_{6} \cdot x_{50} / k_{97} + -1 \cdot k_{6} \cdot x_{41} \cdot x_{22} / k_{152} + 1 \cdot k_{6} \cdot x_{49} / k_{97} + -1 \cdot k_{6} \cdot x_{41} \cdot x_{47} / k_{152} + 1 \cdot k_{6} \cdot x_{48} / k_{96} + -1 \cdot k_{115} \cdot x_{41} + 1 \cdot k_{115} \cdot x_{42} + 1 \cdot k_{151} \cdot k_{153} + 1 \cdot k_{114} \cdot x_{30} + -1 \cdot k_{153} \cdot x_{41} \cdot k_{114} / k_{152}\right) / k_{279}\\ \frac{dx_{42}}{dt} = \left(-1 \cdot k_{6} \cdot x_{42} \cdot x_{45} / k_{152} + 1 \cdot k_{6} \cdot x_{46} / k_{96} + -1 \cdot k_{6} \cdot x_{42} \cdot x_{43} / k_{152} + 1 \cdot k_{6} \cdot x_{44} / k_{96} + 1 \cdot k_{115} \cdot x_{41} + -1 \cdot k_{115} \cdot x_{42}\right) / k_{279}\\ \frac{dx_{43}}{dt} = \left(-1000 \cdot k_{36} \cdot x_{16} \cdot x_{44} / \left(x_{43} + x_{44} + 1 \cdot 10^{-5}\right) + -1 \cdot k_{6} \cdot x_{42} \cdot x_{43} / k_{152} + 1 \cdot k_{6} \cdot x_{44} / k_{96} + 1000 \cdot k_{132} \cdot k_{152} + 1000 \cdot k_{58} \cdot x_{19} + -1000 \cdot k_{56} \cdot x_{16} \cdot x_{43} / \left(x_{43} + x_{44} + 1 \cdot 10^{-5}\right)\right) / k_{279}\\ \frac{dx_{44}}{dt} = \left(1 \cdot k_{6} \cdot x_{42} \cdot x_{43} / k_{152} + -1 \cdot k_{6} \cdot x_{44} / k_{96}\right) / k_{279}\\ \frac{dx_{45}}{dt} = \left(-1000 \cdot k_{86} \cdot x_{17} + -1 \cdot k_{6} \cdot x_{42} \cdot x_{45} / k_{152} + 1 \cdot k_{6} \cdot x_{46} / k_{96} + 1000 \cdot k_{36} \cdot x_{16} \cdot x_{44} / \left(x_{43} + x_{44} + 1 \cdot 10^{-5}\right)\right) / k_{279}\\ \frac{dx_{46}}{dt} = \left(1 \cdot k_{6} \cdot x_{42} \cdot x_{45} / k_{152} + -1 \cdot k_{6} \cdot x_{46} / k_{96}\right) / k_{279}\\ \frac{dx_{47}}{dt} = \left(-1 \cdot k_{6} \cdot x_{41} \cdot x_{47} / k_{152} + 1 \cdot k_{6} \cdot x_{48} / k_{96} + 1000 \cdot k_{86} \cdot x_{17} + 1000 \cdot k_{137} \cdot k_{154} + -1000 \cdot k_{87} \cdot x_{18} + -500 \cdot k_{37} \cdot x_{18} \cdot x_{47} / \left(x_{47} + x_{48} + 1 \cdot 10^{-5}\right)\right) / k_{279}\\ \frac{dx_{48}}{dt} = \left(1 \cdot k_{6} \cdot x_{41} \cdot x_{47} / k_{152} + -1 \cdot k_{6} \cdot x_{48} / k_{96}\right) / k_{279}\\ \frac{dx_{49}}{dt} = \left(-1 \cdot k_{6} \cdot x_{41} \cdot x_{49} / k_{152} + 1 \cdot k_{6} \cdot x_{50} / k_{97} + 1 \cdot k_{6} \cdot x_{41} \cdot x_{22} / k_{152} + -1 \cdot k_{6} \cdot x_{49} / k_{97} + -1 \cdot k_{73} \cdot x_{49}\right) / k_{279}\\ \frac{dx_{50}}{dt} = \left(1 \cdot k_{6} \cdot x_{41} \cdot x_{49} / k_{152} + -1 \cdot k_{6} \cdot x_{50} / k_{97} + -1 \cdot k_{74} \cdot x_{50}\right) / k_{279}\\ \frac{dx_{51}}{dt} = \left(-1 \cdot k_{6} \cdot x_{4} \cdot x_{51} / k_{153} + 1 \cdot k_{6} \cdot x_{52} / k_{97} + 1 \cdot k_{6} \cdot x_{4} \cdot x_{23} / k_{153} + -1 \cdot k_{6} \cdot x_{51} / k_{97} + -1 \cdot k_{75} \cdot x_{51}\right) / k_{279}\\ \frac{dx_{52}}{dt} = \left(1 \cdot k_{6} \cdot x_{4} \cdot x_{51} / k_{153} + -1 \cdot k_{6} \cdot x_{52} / k_{97} + -1 \cdot k_{76} \cdot x_{52}\right) / k_{279}