[ Eq(Derivative(x1, t), ((-1)*k62*k3*k51*x1/(k28 + x1) + 1*k62*k5*x20/(k30 + x20) + (-1)*k62*k4*x1*x17/(k29 + x1))/k62),
  Eq(Derivative(x2, t), ((-1)*k62*(k42*x3*x2 - k18*x7) + (-1)*k62*(k43*x5*x2 - k19*x6))/k62),
  Eq(Derivative(x3, t), (1*k62*k41*x5/(k17 + x5) + 1*k62*k38*x8/(k14 + x8) + (-2)*k62*k40*x3**2 + (-1)*k62*(k42*x3*x2 - k18*x7) + (-1)*k62*k37*x3*x20/(k13 + x3))/k62),
  Eq(Derivative(x4, t), (1*k62*k40*x3**2 + (-1)*k62*k16*x4)/k62),
  Eq(Derivative(x5, t), ((-1)*k62*k41*x5/(k17 + x5) + 2*k62*k16*x4 + (-1)*k62*(k43*x5*x2 - k19*x6))/k62),
  Eq(Derivative(x6, t), (1*k62*(k43*x5*x2 - k19*x6) + 1*k62*k44*x7/(k20 + x7))/k62),
  Eq(Derivative(x7, t), (1*k62*(k42*x3*x2 - k18*x7) + (-1)*k62*k44*x7/(k20 + x7))/k62),
  Eq(Derivative(x8, t), ((-1)*k62*k38*x8/(k14 + x8) + 1*k62*k37*x3*x20/(k13 + x3) + (-1)*k62*(k39*x8*x12 - k15*x9))/k62),
  Eq(Derivative(x9, t), 1*k62*(k39*x8*x12 - k15*x9)/k62),
  Eq(Derivative(x10, t), ((-1)*k62*k47*x10/(k23 + x10) + 1*k62*k45*x5*x11/(k21 + x11) + 1*k62*k46*x6*x11/(k22 + x11))/k62),
  Eq(Derivative(x11, t), (1*k62*k47*x10/(k23 + x10) + (-1)*k62*k45*x5*x11/(k21 + x11) + (-1)*k62*k46*x6*x11/(k22 + x11))/k62),
  Eq(Derivative(x12, t), ((-1)*k62*(k39*x8*x12 - k15*x9) + 1*k62*k7*x13/(k32 + x13) + 1*k62*k50*x10*x13/(k36 + x13) + (-1)*k62*k6*x12*x17/(k31 + x12))/k62),
  Eq(Derivative(x13, t), ((-1)*k62*k7*x13/(k32 + x13) + (-1)*k62*k50*x10*x13/(k36 + x13) + 1*k62*k6*x12*x17/(k31 + x12) + 1*k62*k9*x14/(k34 + x14) + (-1)*k62*k8*x13/(k33 + x13))/k62),
  Eq(Derivative(x14, t), ((-1)*k62*k9*x14/(k34 + x14) + 1*k62*k8*x13/(k33 + x13) + 1*k62*k49*x15/(k25 + x15) + (-1)*k62*k48*x14*x19/(k24 + x14))/k62),
  Eq(Derivative(x15, t), ((-1)*k62*k49*x15/(k25 + x15) + 1*k62*k48*x14*x19/(k24 + x14))/k62),
  Eq(Derivative(x16, t), ((-1)*k62*k1*k51*x16/(k26 + x16) + 1*k62*k2*x17/(k27 + x17))/k62),
  Eq(Derivative(x17, t), (1*k62*k1*k51*x16/(k26 + x16) + (-1)*k62*k2*x17/(k27 + x17))/k62),
  Eq(Derivative(x18, t), ((-1)*k62*k10*x14*x18/(k35 + x18) + 1*k62*k11*x19/(k12 + x19))/k62),
  Eq(Derivative(x19, t), (1*k62*k10*x14*x18/(k35 + x18) + (-1)*k62*k11*x19/(k12 + x19))/k62),
  Eq(Derivative(x20, t), (1*k62*k3*k51*x1/(k28 + x1) + (-1)*k62*k5*x20/(k30 + x20) + 1*k62*k4*x1*x17/(k29 + x1))/k62) ]