WURCS=2.0/5,7,6/[u2122h][a2112h-1x_1-5][Aad21122h-2x_2-6_5*NCCO/3=O][Aad21122h-2x_2-6_5*NCC/3=O][a2112h-1x_1-5_2*NCC/3=O]/1-2-3-4-3-5-2/a?-b1_b?-c2_b?-f1_c?-d2_d?-e2_f?-g1
