3-amino-7-(dimethylamino)phenothiazin-5-ium
3-amino-7-(dimethylamino)phenothiazin-5-ium
An organic cation that is phenothiazin-5-ium substituted by amino and dimethylamino groups at positions 3 and 7 respectively. The chloride salt is the histological dye 'azure A'.