WURCS=2.0/3,4,3/[u4344h_2*NCC/3=O_3*OC^RCO/4=O/3C][a2122h-1x_1-5_2*NCC/3=O][a4344h-1x_1-5_2*NCC/3=O_3*OC^RCO/4=O/3C]/1-2-3-2/a?-b1_b?-c1_c?-d1