WURCS=2.0/4,5,4/[a2122h-1a_1-5_2*N][a2122h-1b_1-5_2*N][a211h-1b_1-5_4*N][Aad1122h-2x_2-6]/1-2-3-4-4/a6-b1_b4-c1*OPO*/3O/3=O_b6-d2_d?-e2