WURCS=2.0/7,9,8/[u11221h][a11221h-1x_1-?][a11221h-1x_1-5_3*OCC/3=O][a2122h-1x_1-5][a2112h-1x_1-5][a2112h-1x_1-5_2*NCC/3=O][a2122h-1x_1-5_4*OCC/3=O]/1-2-2-3-4-5-5-6-7/a?-b1_b?-c1_b?-i1_c?-d1_d?-e1_e?-f1_f?-g1_g?-h1