WURCS=2.0/5,7,6/[a2122h-1x_1-5_2*NCC/3=O][a2122h-1b_1-5_2*NCC/3=O][a1122h-1b_1-5][a1122h-1a_1-5][a2112h-1a_1-4]/1-2-3-4-4-5-4/a4-b1_b4-c1_c6-d1_d3-e1_d6-g1_e2-f1