WURCS=2.0/7,12,11/[AUd21122h][Aa11122h-2a_2-6][a11221h-1a_1-5][a2211m-1a_1-5][a2122h-1b_1-5_2*NCC/3=O][a2122h-1b_1-5][a211h-1b_1-5_4*N]/1-2-3-3-4-4-5-4-4-4-6-7/a4-b2_a5-c1_c3-d1_c4-k1_c7-l1_d2-e1_d3-f1_f3-g1_g3-h1_h3-i1_i2-j1