Synonyms: 1-(5-Pyrrolidino-2,4-pentadienylidene)pyrrolidinium pamoate tetrahydrate;Pyrrolidinium, 1-(5-pyrrolidino-2,4-pentadienylidene)-, pamoate, tetrahydrate;AC1O64Z1;LS-138470;4-[(3-carboxy-2-hydroxynaphthalen-1-yl)methyl]-3-hydroxynaphthalene-2-carboxylic acid; 1-[(1E,3E)-5-pyrrolidin-1-ium-1-ylidenepenta-1,3-dienyl]pyrrolidine; tetrahydrate;63915-84-4