136825-96-2 5-Ethylamino-9-diethylaminobenzo(a)phenothiazinium 5-Ethylamino-9-diethylaminobenzo(a)phenothiazinium chloride 9-(Diethylamino)-5-(ethylamino)benzo(a)phenothiazin-7-ium chloride Benzo(a)phenothiazin-7-ium, 9-(diethylamino)-5-(ethylamino)-, chloride EtNBS