[ Eq(Derivative(x1, t), 1*k69*(x2 - x1*k46)/k69/k69),
  Eq(Derivative(x2, t), 1*k69*(x1*k46 - x2)/k69/k69),
  Eq(Derivative(x3, t), 1*k69*(x5*k20 - x2*x3 - x3*k3*(x21 + x23))/k69/k69),
  Eq(Derivative(x4, t), 1*k69*(x2*x3 - x4*(x21 + x23))/k69/k69),
  Eq(Derivative(x5, t), 1*k69*(x4*(x21 + x23) - x5*k20 + x3*k3*(x21 + x23))/k69/k69),
  Eq(Derivative(x6, t), 1*k69*(x7*k21 + x6*(x4*k12 + k48*k44)*(k49 - 1))/k69/k69),
  Eq(Derivative(x7, t), 1*k69*((-x7)*k21 - x6*(x4*k12 + k48*k44)*(k49 - 1))/k69/k69),
  Eq(Derivative(x8, t), 1*k69*(x9*k22 - x7*x8*k13)/k69/k69),
  Eq(Derivative(x9, t), 1*k69*(x7*x8*k13 - x9*k22)/k69/k69),
  Eq(Derivative(x10, t), 1*k69*(x11*k23 + x12*k24 + x10*(83/100*k50 - 1)*(x7*k7 + k48*k45) + x9*x10*k4*(83/100*k50 - 1))/k69/k69),
  Eq(Derivative(x11, t), 1*k69*(x13*k24 - x11*k23 + 2*x7*x11*k4*(83/100*k50 - 1) - x9*x10*k4*(83/100*k50 - 1))/k69/k69),
  Eq(Derivative(x12, t), 1*k69*(x13*k23 - x12*k24 - x10*(83/100*k50 - 1)*(x7*k7 + k48*k45) + 2*x9*x12*k7*(83/100*k50 - 1))/k69/k69),
  Eq(Derivative(x13, t), 1*k69*((-x13)*k23 - x13*k24 - 2*x7*x11*k4*(83/100*k50 - 1) - 2*x9*x12*k7*(83/100*k50 - 1))/k69/k69),
  Eq(Derivative(x14, t), 1*k69*(x15*k25 - x14*k8*(x11 + x13))/k69/k69),
  Eq(Derivative(x15, t), 1*k69*(x14*k8*(x11 + x13) - x15*k25)/k69/k69),
  Eq(Derivative(x16, t), 1*k69*(x17*k15 + x18*k16 - x16*(k47*k14 + k1*(x16/(x16 + x17 + x18 + x19) - 1)*(x14/(x14 + x15) - 1)) - x16*k5*(x11 + x13))/k69/k69),
  Eq(Derivative(x17, t), 1*k69*(x19*k16 - x17*k15 + x16*(k47*k14 + k1*(x16/(x16 + x17 + x18 + x19) - 1)*(x14/(x14 + x15) - 1)) - x17*k9*(x11 + x13))/k69/k69),
  Eq(Derivative(x18, t), 1*k69*(x19*k15 - x18*k16 - x18*(k47*k14 + k10*(x16/(x16 + x17 + x18 + x19) - 1)*(x14/(x14 + x15) - 1)) + x16*k5*(x11 + x13))/k69/k69),
  Eq(Derivative(x19, t), 1*k69*(x18*(k47*k14 + k10*(x16/(x16 + x17 + x18 + x19) - 1)*(x14/(x14 + x15) - 1)) - x19*k16 - x19*k15 + x17*k9*(x11 + x13))/k69/k69),
  Eq(Derivative(x20, t), 1*k69*(x21*k17 + x22*k18 - x20*(k47*k14 + k2*(x16/(x16 + x17 + x18 + x19) - 1)*(x14/(x14 + x15) - 1)) - x20*x8*k6)/k69/k69),
  Eq(Derivative(x21, t), 1*k69*(x23*k18 - x21*k17 + x20*(k47*k14 + k2*(x16/(x16 + x17 + x18 + x19) - 1)*(x14/(x14 + x15) - 1)) - 2*x21*x8*k2)/k69/k69),
  Eq(Derivative(x22, t), 1*k69*(x23*k17 - x22*k18 - x22*(k47*k14 + 2*k6*(x16/(x16 + x17 + x18 + x19) - 1)*(x14/(x14 + x15) - 1)) + x20*x8*k6)/k69/k69),
  Eq(Derivative(x23, t), 1*k69*(x22*(k47*k14 + 2*k6*(x16/(x16 + x17 + x18 + x19) - 1)*(x14/(x14 + x15) - 1)) - x23*k18 - x23*k17 + 2*x21*x8*k2)/k69/k69),
  Eq(Derivative(x24, t), 1*k69*(x25*k19 - x24*(k47*k14 + k11*(x16/(x16 + x17 + x18 + x19) - 1)*(x14/(x14 + x15) - 1)))/k69/k69),
  Eq(Derivative(x25, t), 1*k69*(x24*(k47*k14 + k11*(x16/(x16 + x17 + x18 + x19) - 1)*(x14/(x14 + x15) - 1)) - x25*k19)/k69/k69) ]