WURCS=2.0/2,11,10/[axxxxh-1x_1-?_2*NCC/3=O][axxxxh-1x_1-?]/1-1-2-2-1-2-1-2-2-1-2/a?-b1_b?-c1_c?-d1_c?-i1_d?-e1_e?-f1_f?-g1_g?-h1_i?-j1_j?-k1