WURCS=2.0/6,18,20/[h2122h_2*NCC/3=O][a2122h-1b_1-5_2*NCC/3=O][a1122h-1b_1-5][a1122h-1a_1-5][a2112h-1b_1-5][a1221m-1a_1-5]/1-2-3-4-2-5-2-5-2-5-2-5-4-2-5-2-5-6/a4-b1_a6-r1_b4-c1_d2-e1_d6-i1_e4-f1_f3-g1_g4-h1_i4-j1_j3-k1_k4-l1_m2-n1_n4-o1_o3-p1_p4-q1_d1-c3|c6_m1-c3|c6_f1-g4~n_j1-k4~n_o1-p4~n