WURCS=2.0/4,5,5/[a1122h-1a_1-5][a2112h-1b_1-5][a122h-1a_1-5][a2122h-1b_1-5]/1-2-2-3-4/a4-b1_b3-c1_c2-d1_c3-e1_a1-b6*OPO*/3O/3=O~n