\frac{dx_{1}}{dt} = \left(1 \cdot k_{23} \cdot x_{4} \cdot x_{12} + -1 \cdot k_{24} \cdot x_{1}\right) / k_{2}\\
\frac{dx_{2}}{dt} = 0 / k_{2}\\
\frac{dx_{3}}{dt} = \left(-1 \cdot \left(k_{11} \cdot x_{4} \cdot x_{3} - k_{12} \cdot x_{15}\right) + 1 \cdot k_{21} \cdot x_{14} \cdot x_{2} / \left(k_{22} + x_{14}\right)\right) / k_{2}\\
\frac{dx_{4}}{dt} = \left(1 \cdot k_{7} \cdot x_{6} \cdot x_{7} / \left(k_{8} + x_{6}\right) + -1 \cdot k_{9} \cdot x_{4} \cdot x_{5} / \left(k_{10} + x_{4}\right) + -1 \cdot \left(k_{11} \cdot x_{4} \cdot x_{3} - k_{12} \cdot x_{15}\right) + 1 \cdot k_{21} \cdot x_{14} \cdot x_{2} / \left(k_{22} + x_{14}\right)\right) / k_{2}\\
\frac{dx_{5}}{dt} = 0 / k_{2}\\
\frac{dx_{6}}{dt} = \left(-1 \cdot k_{7} \cdot x_{6} \cdot x_{7} / \left(k_{8} + x_{6}\right) + 1 \cdot k_{9} \cdot x_{4} \cdot x_{5} / \left(k_{10} + x_{4}\right)\right) / k_{2}\\
\frac{dx_{7}}{dt} = 1 \cdot \exp\left(k_{4} - x_{10} / k_{6}^{\frac{9}{5}}\right) \cdot k_{3} \cdot x_{10} / k_{5}^{\frac{4}{5}} \cdot \left(k_{4} - x_{10} / k_{6}^{\frac{9}{5}}\right) / k_{2}\\
\frac{dx_{8}}{dt} = -1 \cdot k_{25} / k_{2}\\
\frac{dx_{9}}{dt} = -1 \cdot \exp\left(k_{4} - x_{10} / k_{6}^{\frac{9}{5}}\right) \cdot k_{3} \cdot x_{10} / k_{5}^{\frac{4}{5}} \cdot \left(k_{4} - x_{10} / k_{6}^{\frac{9}{5}}\right) / k_{2}\\
\frac{dx_{10}}{dt} = 1 \cdot k_{25} / k_{2}\\
\frac{dx_{11}}{dt} = 0 / k_{2}\\
\frac{dx_{12}}{dt} = \left(-1 \cdot k_{23} \cdot x_{4} \cdot x_{12} + 1 \cdot k_{24} \cdot x_{1}\right) / k_{2}\\
\frac{dx_{13}}{dt} = \left(1 \cdot k_{13} \cdot x_{15} \cdot x_{1} / \left(k_{14} + x_{15}\right) + -1 \cdot k_{15} \cdot x_{13} \cdot x_{11} / \left(k_{16} + x_{13}\right) + -1 \cdot k_{17} \cdot x_{13} \cdot x_{2} / \left(k_{18} + x_{13}\right) + 1 \cdot k_{19} \cdot x_{14} \cdot x_{2} / \left(k_{20} + x_{14}\right)\right) / k_{2}\\
\frac{dx_{14}}{dt} = \left(1 \cdot k_{15} \cdot x_{13} \cdot x_{11} / \left(k_{16} + x_{13}\right) + -1 \cdot k_{19} \cdot x_{14} \cdot x_{2} / \left(k_{20} + x_{14}\right) + -1 \cdot k_{21} \cdot x_{14} \cdot x_{2} / \left(k_{22} + x_{14}\right)\right) / k_{2}\\
\frac{dx_{15}}{dt} = \left(1 \cdot \left(k_{11} \cdot x_{4} \cdot x_{3} - k_{12} \cdot x_{15}\right) + -1 \cdot k_{13} \cdot x_{15} \cdot x_{1} / \left(k_{14} + x_{15}\right) + 1 \cdot k_{17} \cdot x_{13} \cdot x_{2} / \left(k_{18} + x_{13}\right)\right) / k_{2}\\
\frac{dx_{16}}{dt} = 0 / k_{1}