WURCS=2.0/4,4,3/[a2211m-1x_1-5][a2211m-1x_1-5_4*OCC/3=O][a2211m-1x_1-5_2*OCC/3=O_4*OCC/3=O][a2211m-1x_1-5_3*OCC/3=O_4*OCC/3=O]/1-2-3-4/a?-b1_b?-c1_c?-d1