WURCS=2.0/4,7,7/[a2122h-1b_1-5][a2122A-1b_1-5][a2122h-1a_1-5][a2122h-1b_1-5_4-6*OC^XO*/3CO/6=O/3C]/1-2-2-3-1-1-4/a4-b1_b4-c1_c4-d1_d6-e1_e4-f1_f3-g1_a1-d4~n