WURCS=2.0/4,4,3/[u2122h_2*NCC/3=O_3*NCC/3=O][u2122h][u2122A_2*NCC/3=O_3*NCC/3=O][u1122A_2*NCC/3=O_3*NCC/3=O]/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?