WURCS=2.0/2,7,7/[a2122h-1a_1-5_6*NCC/3=O][a2122h-1a_1-5]/1-2-2-2-2-2-2/a1-g4_a4-b1_b4-c1_c4-d1_d4-e1_e4-f1_f4-g1