\frac{dx_{2}}{dt} = \left(-1 \cdot k_{28} \cdot k_{11} \cdot k_{34} \cdot x_{2} / \left(k_{12} + x_{2}\right) + 1 \cdot k_{28} \cdot k_{9} \cdot x_{3} \cdot \left(k_{30} - x_{2}\right) / \left(k_{10} + k_{30} - x_{2}\right)\right) / k_{28}\\
\frac{dx_{3}}{dt} = \left(1 \cdot k_{28} \cdot \left(k_{5} \cdot \left(k_{30} - x_{2}\right) + k_{6} \cdot x_{2}\right) \cdot x_{4} + -1 \cdot k_{28} \cdot \left(k_{7} \cdot x_{6} + k_{8} \cdot \left(k_{31} - x_{6}\right)\right) \cdot x_{3} + 1 \cdot k_{28} \cdot k_{4} \cdot x_{8} \cdot x_{7} + -1 \cdot k_{28} \cdot \left(k_{2} \cdot \left(k_{33} - x_{11}\right) + k_{3} \cdot x_{11}\right) \cdot x_{3}\right) / k_{28}\\
\frac{dx_{4}}{dt} = \left(-1 \cdot k_{28} \cdot \left(k_{5} \cdot \left(k_{30} - x_{2}\right) + k_{6} \cdot x_{2}\right) \cdot x_{4} + 1 \cdot k_{28} \cdot \left(k_{7} \cdot x_{6} + k_{8} \cdot \left(k_{31} - x_{6}\right)\right) \cdot x_{3} + -1 \cdot k_{28} \cdot \left(k_{2} \cdot \left(k_{33} - x_{11}\right) + k_{3} \cdot x_{11}\right) \cdot x_{4}\right) / k_{28}\\
\frac{dx_{6}}{dt} = \left(-1 \cdot k_{28} \cdot k_{19} \cdot k_{34} \cdot x_{6} / \left(k_{20} + x_{6}\right) + 1 \cdot k_{28} \cdot k_{17} \cdot x_{3} \cdot \left(k_{31} - x_{6}\right) / \left(k_{18} + k_{31} - x_{6}\right)\right) / k_{28}\\
\frac{dx_{7}}{dt} = \left(-1 \cdot k_{28} \cdot k_{4} \cdot x_{8} \cdot x_{7} + 1 \cdot k_{28} \cdot k_{1} + -1 \cdot k_{28} \cdot \left(k_{2} \cdot \left(k_{33} - x_{11}\right) + k_{3} \cdot x_{11}\right) \cdot x_{7}\right) / k_{28}\\
\frac{dx_{10}}{dt} = \left(-1 \cdot k_{28} \cdot k_{23} \cdot k_{34} \cdot x_{10} / \left(k_{24} + x_{10}\right) + 1 \cdot k_{28} \cdot k_{21} \cdot x_{3} \cdot \left(k_{32} - x_{10}\right) / \left(k_{22} + k_{32} - x_{10}\right)\right) / k_{28}\\
\frac{dx_{11}}{dt} = \left(-1 \cdot k_{28} \cdot k_{15} \cdot k_{34} \cdot x_{11} / \left(k_{16} + x_{11}\right) + 1 \cdot k_{28} \cdot k_{13} \cdot x_{10} \cdot \left(k_{33} - x_{11}\right) / \left(k_{14} + k_{33} - x_{11}\right)\right) / k_{28}\\
\frac{dx_{12}}{dt} = 0\\
\frac{dx_{13}}{dt} = 0\\
\frac{dx_{14}}{dt} = 0\\
\frac{dx_{15}}{dt} = 0\\
\frac{dx_{16}}{dt} = 0\\
\frac{dx_{17}}{dt} = 0