WURCS=2.0/4,14,13/[h2122h_2*NCC/3=O][a2122h-1x_1-5_2*NCC/3=O][a1122h-1x_1-5][a2112h-1x_1-5]/1-2-3-3-2-4-4-2-4-4-3-2-4-4/a?-b1_b?-c1_c?-d1_c?-k1_d?-e1_d?-h1_e?-f1_f?-g1_h?-i1_i?-j1_k?-l1_l?-m1_m?-n1