WURCS=2.0/2,8,11/[a1122h-1a_1-5][a1122h-1b_1-5]/1-1-1-1-2-2-1-1/a2-b1_b2-c1_c2-g1_d2-e1_e2-f1_g2-h1_c?-d1*OPO*/3O/3=O_a1-a6~n_b1-b2~n_e1-e2~n_g1-g2~n