WURCS=2.0/4,11,10/[h2112h_2*NCC/3=O][a2112h-1b_1-5][a2122h-1b_1-5_2*NCC/3=O][a1221m-1a_1-5]/1-2-3-4-2-3-4-2-3-4-2/a3-b1_a6-i1_b3-c1_b6-f1_c4-e1_f4-h1_i4-k1_c?-d1_f?-g1_i?-j1