3,7-Bis(dimethylamino)phenothiazin-5-ium chloride mixt. with 3-(dimethylamino)-7-(methylamino)phenothiazin-5-ium chloride(1:1)

3,7-Bis(dimethylamino)phenothiazin-5-ium chloride mixt. with 3-(dimethylamino)-7-(methylamino)phenothiazin-5-ium chloride(1:1),