\frac{dx_{1}}{dt} = 0\\
\frac{dx_{2}}{dt} = \left(2 \cdot k_{12} \cdot \left(k_{9} \cdot k_{14} / \left(k_{14} + k_{10} \cdot \left(1 + k_{15} / k_{11}\right)\right) \cdot k_{1} + k_{9} \cdot k_{14} / \left(k_{14} + k_{10} \cdot \left(1 + k_{15} / k_{11}\right)\right) \cdot k_{13} - |k_{9} \cdot k_{14} / \left(k_{14} + k_{10} \cdot \left(1 + k_{15} / k_{11}\right)\right) \cdot k_{1} - k_{9} \cdot k_{14} / \left(k_{14} + k_{10} \cdot \left(1 + k_{15} / k_{11}\right)\right) \cdot k_{13}|\right) / 2 + \frac{3}{2} \cdot k_{12} \cdot \frac{21}{100} \cdot k_{15} / k_{11} / \left(k_{14} / k_{10}\right) \cdot \left(k_{9} \cdot k_{14} / \left(k_{14} + k_{10} \cdot \left(1 + k_{15} / k_{11}\right)\right) \cdot k_{1} + k_{9} \cdot k_{14} / \left(k_{14} + k_{10} \cdot \left(1 + k_{15} / k_{11}\right)\right) \cdot k_{13} - |k_{9} \cdot k_{14} / \left(k_{14} + k_{10} \cdot \left(1 + k_{15} / k_{11}\right)\right) \cdot k_{1} - k_{9} \cdot k_{14} / \left(k_{14} + k_{10} \cdot \left(1 + k_{15} / k_{11}\right)\right) \cdot k_{13}|\right) / 2 + -1 \cdot k_{12} \cdot x_{2} / k_{2} \cdot x_{3} / k_{3} \cdot k_{9} \cdot k_{1}\right) / k_{12}\\
\frac{dx_{3}}{dt} = \left(-2 \cdot k_{12} \cdot \left(k_{9} \cdot k_{14} / \left(k_{14} + k_{10} \cdot \left(1 + k_{15} / k_{11}\right)\right) \cdot k_{1} + k_{9} \cdot k_{14} / \left(k_{14} + k_{10} \cdot \left(1 + k_{15} / k_{11}\right)\right) \cdot k_{13} - |k_{9} \cdot k_{14} / \left(k_{14} + k_{10} \cdot \left(1 + k_{15} / k_{11}\right)\right) \cdot k_{1} - k_{9} \cdot k_{14} / \left(k_{14} + k_{10} \cdot \left(1 + k_{15} / k_{11}\right)\right) \cdot k_{13}|\right) / 2 + -2 \cdot k_{12} \cdot \frac{21}{100} \cdot k_{15} / k_{11} / \left(k_{14} / k_{10}\right) \cdot \left(k_{9} \cdot k_{14} / \left(k_{14} + k_{10} \cdot \left(1 + k_{15} / k_{11}\right)\right) \cdot k_{1} + k_{9} \cdot k_{14} / \left(k_{14} + k_{10} \cdot \left(1 + k_{15} / k_{11}\right)\right) \cdot k_{13} - |k_{9} \cdot k_{14} / \left(k_{14} + k_{10} \cdot \left(1 + k_{15} / k_{11}\right)\right) \cdot k_{1} - k_{9} \cdot k_{14} / \left(k_{14} + k_{10} \cdot \left(1 + k_{15} / k_{11}\right)\right) \cdot k_{13}|\right) / 2 + 1 \cdot k_{12} \cdot \left(|1 / 2 \cdot \left(1 - k_{4}\right) \cdot k_{5} + 467| - |1 / 2 \cdot \left(1 - k_{4}\right) \cdot k_{5} - 467|\right) / 2 / 65 / 2 \cdot x_{6} / k_{3}\right) / k_{12}\\
\frac{dx_{4}}{dt} = 0\\
\frac{dx_{5}}{dt} = 0