WURCS=2.0/4,8,7/[a2122h-1x_1-5_2*NCC/3=O][a2122h-1b_1-5_2*NCC/3=O][a1122h-1b_1-5][a1122h-1a_1-5]/1-2-3-4-1-1-4-1/a4-b1_b4-c1_c3-d1_c6-g1_d?-e1_d?-f1_g?-h1
