3H-Phenothiazin-7-amine, 3-imino- 581-64-6 (CHLORIDE) AIDS-020781 AIDS020781 C.I. 52000 Cyanine Katalysin Lauth's violet NSC9591 (CHLORIDE) Phenothiazin-5-ium, 3,7-diamino- Thionin Thionine