WURCS=2.0/4,4,3/[Aad21122h-2x_2-6_5*NCCO/3=O][axxxxm-1x_1-5][axxxxh-1x_1-5_2*NCC/3=O][axxxxh-1x_1-5]/1-2-3-4/a?|b?|c?|d?}-{a?|b?|c?|d?_a?|b?|c?|d?}-{a?|b?|c?|d?_a?|b?|c?|d?}-{a?|b?|c?|d?
