WURCS=2.0/3,5,4/[a2112h-1b_1-5][Aad21122h-2a_2-6_5*NCC/3=O][a2112h-1b_1-5_2*NCC/3=O]/1-2-3-1-2/a3-b2_a4-c1_c3-d1_d3-e2
