WURCS=2.0/6,16,15/[h2122h_2*NCC/3=O][a2122h-1b_1-5_2*NCC/3=O][a1122h-1b_1-5][a1122h-1a_1-5][a2112h-1b_1-5][Aad21122h-2a_2-6_5*NCC/3=O]/1-2-3-4-2-5-6-6-2-5-6-4-2-5-6-6/a4-b1_b4-c1_c3-d1_c6-l1_e4-f1_i4-j1_m4-n1_d?-e1_d?-i1_f?-g2_g?-h2_j?-k2_l?-m1_n?-o2_o?-p2