{ diff(x30, t) = 0/k106,
  diff(x1, t) = k42 + k43*x10 - (k6 + k7*x4 + k8*x5)*x1,
  diff(x2, t) = k45 + k44*x11 - (k10 + k11*x4)*x2,
  diff(x3, t) = k47 + k46*x11 - k48*x3,
  diff(x4, t) = k50 + k49*x10 - (k51 + k52*x5)*x4,
  diff(x5, t) = (k18*x20 + k19*x32)*(1 - x5)/(k53 + 1 - x5) - (k21 + k22*x24 + k23*x25)*x5/(k53 + x5),
  diff(x6, t) = k55 + k54*x9 - (k15 + k13*x25 + k14*x24 + k16*x3)*x6,
  diff(x7, t) = k56*x24*x26 - (k57 + k6 + k7*x4 + k8*x5 + k15 + k13*x25 + k14*x24 + k16*x3)*x7,
  diff(x8, t) = k58*x25*x26 - (k59 + k10 + k11*x4 + k15 + k13*x25 + k14*x24 + k16*x3)*x8,
  diff(x9, t) = (k25*x20 + k26*x32)*(k105 - x9)/(k60 + k105 - x9) - (k28 + k29*x24 + k30*x25)*x9/(k60 + x9),
  diff(x10, t) = (k62 + k61*x24)*(1 - x10)/(k64 + 1 - x10) - k63*x10/(k64 + x10),
  diff(x11, t) = k66*(1 - x11)/(k65 + 1 - x11) - (k67*x24 + k69*x25)*x11/(k65 + x11),
  diff(x12, t) = k71 + k70*x11 - (k72 + k73*x4)*x12,
  diff(x13, t) = k74 - k75*x13,
  diff(x14, t) = k79 + k78*x10 - (k80 + k81*x5)*x14,
  diff(x15, t) = (k83 + k84*x24)*(x14 - x15)/(k82 + x14 - x15) - k85*x15/(k82 + x15) - (k80 + k81*x5)*x15,
  diff(x16, t) = (k33*k2*(1 + k3*k4*x29)/(1 + k4 + x29) + k32*x20)/(k34 + k35 - x16)*(k35 - x16) - (k37*x24 + k38*x23)/(k34 + x16)*x16,
  diff(x17, t) = k86*x15*(k35 - x16 - x17) - (k33*k2*(1 + k3*k4*x29)/(1 + k4 + x29) + k32*x20)/(k34 + k35 - x16)*x17,
  diff(x18, t) = k87*(k35 - x17 - x18)*x20 - k88*x18 - k86*x15*x19,
  diff(x19, t) = (k37*x24 + k38*x23)/(k34 + x16)*(x18 - x19) - (k33*k2*(1 + k3*k4*x29)/(1 + k4 + x29) + k32*x20)/(k34 + k35 - x16)*x19 + k87*(k35 - x16 - x17 - x19)*x20 - k88*x19 - k86*x15*x19,
  diff(x20, t) = k86*x15*x19 - k87*(k35 - x17 - x18)*x20 + k88*x18 - (k40 + k41*x23)*x20 + k89*x32,
  diff(x21, t) = (k91 + k92*x15)*(1 - x21)/(k90 + 1 - x21) - (k95 + k94/(1 + k93*x29))/(k90 + x21)*x21,
  diff(x22, t) = (k97 + k98*x32)*(1 - x22)/(k96 + 1 - x22) - (k99 + k100*x24)*x22/(k96 + x22),
  diff(x23, t) = k101*(x21 - x23)*(x22 - x23) - k102*x23 - (k95 + k94/(1 + k95*x29))/(k90 + x21)*x23 - (k99 + k100*x24)/(k96 + x22)*x23,
  diff(x28, t) = k76*x27*x29 - (k77 + k75 + k72 + k73*x4)*x28 }