[ Eq(Derivative(x1, t), ((-1)*k23*(k1*x1*x3 - k17*x2) + 1*k23*k2*x2 + (-1)*k23*(k4*x1*x5 - k18*x6) + (-1)*k23*(k5*x1*x4 - k19*x7) + 1*k23*k6*x6 + 1*k23*k7*x7 + (-1)*k23*(k8*x1*x3 - k20*x9) + 1*k23*k9*x9 + (-1)*k23*(k11*x1*x11 - k21*x12) + (-1)*k23*(k12*x1*x10 - k22*x13) + 1*k23*k13*x12 + 1*k23*k14*x13)/k23),
  Eq(Derivative(x2, t), (1*k23*(k1*x1*x3 - k17*x2) + (-1)*k23*k2*x2 + (-1)*k23*k15*x2)/k23),
  Eq(Derivative(x3, t), ((-1)*k23*(k1*x1*x3 - k17*x2) + (-1)*k23*(k8*x1*x3 - k20*x9))/k23),
  Eq(Derivative(x4, t), (1*k23*k2*x2 + (-1)*k23*k3*x4 + (-1)*k23*(k5*x1*x4 - k19*x7))/k23),
  Eq(Derivative(x5, t), (1*k23*k3*x4 + (-1)*k23*(k4*x1*x5 - k18*x6))/k23),
  Eq(Derivative(x6, t), (1*k23*(k4*x1*x5 - k18*x6) + (-1)*k23*k6*x6)/k23),
  Eq(Derivative(x7, t), (1*k23*(k5*x1*x4 - k19*x7) + (-1)*k23*k7*x7)/k23),
  Eq(Derivative(x8, t), (1*k23*k6*x6 + 1*k23*k7*x7 + 1*k23*k13*x12 + 1*k23*k14*x13 + 1*k23*k15*x2 + 1*k23*k16*x9)/k23),
  Eq(Derivative(x9, t), (1*k23*(k8*x1*x3 - k20*x9) + (-1)*k23*k9*x9 + (-1)*k23*k16*x9)/k23),
  Eq(Derivative(x10, t), (1*k23*k9*x9 + (-1)*k23*k10*x10 + (-1)*k23*(k12*x1*x10 - k22*x13))/k23),
  Eq(Derivative(x11, t), (1*k23*k10*x10 + (-1)*k23*(k11*x1*x11 - k21*x12))/k23),
  Eq(Derivative(x12, t), (1*k23*(k11*x1*x11 - k21*x12) + (-1)*k23*k13*x12)/k23),
  Eq(Derivative(x13, t), (1*k23*(k12*x1*x10 - k22*x13) + (-1)*k23*k14*x13)/k23),
  Eq(Derivative(x14, t), 0/k23) ]