x1 = DAHP
x2 = PEP
x3 = Pi
x4 = DHQ
x5 = EP
x6 = DHSK
x7 = SK
x8 = SKP
x9 = CVPSK
x10 = CM
x11 = Gln
x12 = Glu
x13 = ADC
x14 = Pyr
x15 = pABA
x16 = DHNTP
x17 = GTP
x18 = AHMDHP
x19 = HAD
x20 = PTHP
x21 = AHMDPP
x22 = DHP
x23 = DHF
x24 = THF
x25 = THFGlu
x26 = Gly
x27 = Ser
x28 = myTHFGlu
x29 = MTHFGlu
x30 = Hcy
x31 = Met
x32 = dTMP
x33 = dUMP
x34 = meTHFGlu
x35 = fTHFGlu
x36 = fmtRNA
x37 = mtRNA
x38 = COTwo
x39 = ADP
x40 = ATP
x41 = NADP
x42 = NADPH
x43 = AMP
x44 = DLp
x45 = SAmDLp
x46 = Lp
x47 = NAD
x48 = NADH
x49 = Ammonia
x50 = Formyl
x51 = ffTHFGlu