Bis(4-carboxyphenyl)(4-trifluoromethylphenyl)phosphine, min. 97%;BIS(4-CARBOXYPHENYL)(4-TRIFLUOROMETHYLPHENYL)PHOSPHINE,MIN.97%P-MIRAN2PHOS;Bis(4-carboxyphenyl)(4-trifluoromethylphenyl)phosphine;Benzoic acid, 4,4'-[[4-(trifluoromethyl)phenyl]phosphinidene]bis-