WURCS=2.0/5,7,7/[a2122h-1b_1-5_1*N_2*NCC/3=O][a21C2h-1b_1-5_2*NCC/3=O][a1122h-1b_1-5][a2112h-1a_1-5][a1222h-1a_1-5]/1-2-3-3-4-5-3/a4-b1_b4u-c2_b4d-c1_c3-d1_c6-f1_d6-e1_f6-g1