Synonyms: Phthalide,6-(dimethylamino)-3,3-bis[p-(dimethylamino)phenyl]- (6CI,7CI,8CI);3,3-Bis[4-(dimethylamino)phenyl]-6-(dimethylamino)-1,3-dihydroisobenzofuran-1-one;3,3-Bis[4-(dimethylamino)phenyl]-6-(dimethylamino)phthalide;3,3-Bis[p-(dimethylamino)phenyl]-6-(dimethylamino)phthalide;6-(Dimethylamino)-3,3-bis[4-(dimethylamino)phenyl]-1(3H)-isobenzofuranone;CVL;Color Former CVL;Copikem 1 Blue;Copikem I;NSC 32991;NSC 3562;Pergascript Blue I 2R;