0 B16R2.252 FC1=CC(OCC2=CC=CC=C2)=CC=C1 PC2177 [2,0,0,0,0,0|2,0,0]=4 1 B18R2.2562 O=CC1=CC=C(OCC2=CC=CC=C2)C=C1O OR315520 [1,1,0,0,0,0|2,0,0]=4