N-Acetylphenothiazine S,S-dioxide; 1-(5,5-dioxophenothiazin-10-yl)ethanone;1-(5,5-dioxo-10-phenothiazinyl)ethanone;10-Acetyl-10H-phenothiazine 5,5-dioxide;1-(5,5-diketophenothiazin-10-yl)ethanone;10-Acetyl-10H-phenothiazine 5,5-dioxide #;1-(5,5-Dioxido-10H-phenothiazin-10-yl)ethanone;1-[5,5-bis(oxidanylidene)phenothiazin-10-yl]ethanone
