66859-40-3 AMMONIUM, (2-(10H-PYRIDO(3,2-b)(1,4)BENZOTHIAZIN-10-YL)PROPYL)TRIMETHYL-, ETHYL Ammonium, (2-(10H-pyrido(3,2-b)(1,4)benzothiazin-10-yl)propyl)trimethyl-, ethyl sulfate D 266