103291-48-1 HEXANOIC ACID, 6-((4-(DIMETHYLAMINO)-7,8-DIHYDRO-7,7-DIMETHYL-6H-PYRIMIDO(4,5-b) Hexanoic acid, 6-((4-(dimethylamino)-7,8-dihydro-7,7-dimethyl-6H-pyrimido(4,5-b)(1,4)benzothiazin-9-yl)amino)-, monohydrobromide