WURCS=2.0/4,11,10/[h2112h_2*NCC/3=O][a2112h-1b_1-5][a2122h-1b_1-5_2*NCC/3=O][a2112h-1a_1-5]/1-2-3-2-4-3-2-4-3-2-4/a3-b1_a6-i1_b3-c1_b6-f1_c4-d1_d3-e1_f4-g1_g3-h1_i4-j1_j3-k1