WURCS=2.0/5,5,5/[a2122A-1a_1-5][a212h-1b_1-5][a1122h-1a_1-5_6*OCC/3=O][a2122h-1b_1-5][a1122h-1a_1-5]/1-2-3-4-5/a3-b1_a4-e1_b3-c1_c4-d1_a1-c3~n