x1 = cpd_C00080_CY
x2 = cpd_C00369_CS
x3 = cpd_C00369Glc_CS
x4 = cpd_C00369db_CS
x5 = cpd_C00208_CY
x6 = cpd_C00208_CS
x7 = cpd_C01835_CS
x8 = cpd_G00343_CS
x9 = cpd_C00031_CS
x10 = cpd_C00031_CY
x11 = cpd_C00569_CY
x12 = cpd_C00569Glc_CY
x13 = cpd_C00002tot_CY
x14 = cpd_C00008tot_CY
x15 = cpd_C00009tot_CY
x16 = cpd_C00051_CY
x17 = cpd_C00660tot_CY
x18 = cpd_C03339tot_CY
x19 = cpd_C00103tot_CY
x20 = cpd_C00092tot_CY
x21 = ec_3_2_1_2_CS
x22 = ec_3_2_1_68_CS
x23 = ec_2_4_1_25_CS
x24 = ec_2_4_1_25_CY
x25 = ec_2_4_1_1_CY
x26 = ec_2_7_1_1_CY
x27 = tc_2_A_84_1_2_CIMS
x28 = tc_2_A_1_1_17_CIMS