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]/1-2-3-2-4-4-3-2-4-3-2/a3-b1_a6-j1_d2-e1_h2-i1_j4-k1_c1-b3|b6_d1-c3|c4_f1-c3|c4_g1-b3|b6_h1-g3|g4