WURCS=2.0/4,4,3/[a2122h-1a_1-5_2*N][a2122h-1b_1-5_2*N][Aad1122h-2x_2-?][a211h-1a_1-5_4*N]/1-2-3-4/a6-b1_b3-c2_b4-d1*OPO*/3O/3=O