WURCS=2.0/4,11,10/[u2112h_2*NCC/3=O][a2112h-1x_1-5][a2122h-1x_1-5_2*NCC/3=O][a1221m-1x_1-5]/1-2-3-2-4-4-3-2-4-3-2/a?-b1_a?-j1_b?-c1_b?-g1_c?-d1_c?-f1_d?-e1_g?-h1_h?-i1_j?-k1