WURCS=2.0/4,12,11/[h2122h_2*NCC/3=O][a2122h-1x_1-5_2*NCC/3=O][a1122h-1x_1-5][a2122h-1x_1-5]/1-2-3-3-3-3-3-3-3-3-3-4/a?-b1_b?-c1_c?-d1_c?-i1_d?-e1_d?-g1_e?-f1_g?-h1_i?-j1_j?-k1_k?-l1
