WURCS=2.0/3,6,5/[h2112h_2*NCC/3=O][a2112h-1x_1-5][a2122h-1x_1-5_2*NCC/3=O]/1-2-3-2-3-2/a?-b1_b?-c1_c?-d1_d?-e1_e?-f1