803-19-0

4,4-(Phenylphosphoryl)dibenzoic acid Phenylbis(4-carboxyphenyl)phosphine oxide BIS(4-CARBOXYPHENYL)PHENYLPHOSPHINE OXIDE 4,4'-(Phenylphosphinylidene)dibenzoic acid 4,4'-Phenylphosphinylidenebis(benzoic acid) Benzoic acid, 4,4'-(phenylphosphinylidene)bis- 4,4'-(Phenyloxophosphoranylidene)bisbenzoic acid Bis(4-carboxyphenyl) phenyl phosphine oxide(BCPPO) 4-[(4-carboxyphenyl)-phenylphosphoryl]benzoic acid 4-[(4-carboxyphenyl)-phenyl-phosphoryl]benzoic acid