WURCS=2.0/7,7,6/[a11221h-1x_1-5][a2122h-1x_1-5][a1221m-1x_1-5_?*OCC/3=O][a1221m-1x_1-5][a2112h-1x_1-5_?*OCC/3=O][a2122A-1x_1-5][a2112h-1x_1-5_4-6*OC^XO*/3CO/6=O/3C]/1-2-3-4-5-6-7/a?-b1_b?-c1_c?-d1_d?-e1_e?-f1_f?-g1