3,7-Bis(dimethylamino)phenazathionium chloride 3,7-Bis(dimethylamino)phenothiazin-5-ium chloride 3H-Phenothiazine, 7-(dimethylamino)-3-(methylimino)-, 3-methochloride 61-73-4 Aizen Methylene Blue BH Aizen Methylene Blue FZ Basic Blue 9 C.I. 52 015 C.I. 52015 C.I. Basic Blue 9 Calcozine Blue ZF Chromosmon D And C Blue Number 1 Ext D and C Blue No. 1 External Blue 1 Hidaco Methylene Blue Salt Free Leather Pure Blue HB M-B Tabs Methylene Blue Methylene Blue (Medicinal) Methylene Blue 2B Methylene Blue 2BF Methylene Blue 2BN Methylene Blue 2BP Methylene Blue A Methylene Blue B Methylene Blue BB Methylene Blue BB (Zinc Free) Methylene Blue BBA Methylene Blue BD Methylene Blue BP