Phthalide,3,3-bis(p-aminophenyl)- (7CI,8CI); 3,3-Bis(4-aminophenyl)phthalide;3,3-Bis(p-aminophenyl)phthalide; 4,4'-Phthalidylidenedianiline;Anilinephthalein; Bis(4'-aminophenyl)phthalide
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