Synonyms: Acid blue 3;calcium; Blue ZN 3; Carmine Blue V; Schultz No. 826; L-Blau 3 [German];4-[[4-(diethylamino)phenyl]-(4-diethylazaniumylidenecyclohexa-2, 5-dien-1-ylidene)methyl]-6-hydroxybenzene-1,3-disulfonate; Patent Blue V and L; Solar Pure Blue VX;Merantine Blue V;