WURCS=2.0/2,7,6/[a1122h-1a_1-5_2*OCC/3=O][a1122h-1a_1-5_4*OCC/3=O]/1-1-2-2-1-2-2/a3-b1_a6-e1_b3-c1_b6-d1_e3-f1_e6-g1