bis(4-hydroxyphenyl)methanone4,4′-Dihydroxybenzophenone4,4′-二羟二苯甲酮4,4'-DihydroxybenzophenoneBenzophenone, 4,4’dihydroxy-(7Cl,8Cl)4,4’-dihydroxydiphenyl ketoneBis(4-hydroxyphenyl) ketoneHBP (ketone)HBPNSCBis(4-hydroxyphenyl)methanoneNSC 28314,4'-Dihydroxy-benzophenone4,4'-Dihydroxydiphenyl KetoneBis(4-hydroxy)benzophenone4,4'-二羟基苯甲酮4,4'-Dihydroxybenzophenone