WURCS=2.0/4,6,5/[h2112h_2*NCC/3=O][a2122h-1b_1-5_2*NCC/3=O][a2112h-1b_1-5][Aad21122h-2a_2-6_5*NCC/3=O]/1-2-3-2-3-4/a3-b1_a6-f2_b4-c1_c3-d1_d4-e1