4,4',4''-nitrilotribenzoic acid 4,4',4''-nitrilotribenzoic acid Synonyms: 4,4',4''-nitrilotribenzoic acid;4,4',4''-Nitrilotrisbenzoic acid;4,4',4''-Tricarboxytriphenylamine CAS NO.: 118996-38-6 Formula: C21H15NO6 Weight: 377.35