M + MEK <-> M_MEK_Y
M_MEK_Y -> MEK + MpY
MEK + MpY <-> MpY_MEK
MpY_MEK -> MEK + Mpp
M + MEK <-> M_MEK_T
M_MEK_T -> MEK + MpT
MEK + MpT <-> MpT_MEK
MpT_MEK -> MEK + Mpp
MKP3 + Mpp <-> Mpp_MKP3
Mpp_MKP3 -> MpT_MKP3_Y
MpT_MKP3_Y <-> MKP3 + MpT
MpT_MKP3_T -> M_MKP3_T
MKP3 + MpT <-> MpT_MKP3_T
MpY_MKP3 -> M_MKP3_Y
M_MKP3_T <-> M + MKP3
MKP3 + MpY <-> MpY_MKP3
M_MKP3_Y <-> M + MKP3