WURCS=2.0/5,7,6/[a2122h-1x_1-5_2*N][a1122h-1x_1-5][a2112h-1x_1-4][a2112h-1x_1-5][a2122h-1x_1-?]/1-2-2-3-4-4-5/a?-b1_b?-c1_c?-d1_c?-g1*OPO*/3O/3=O_d?-e1_e?-f1