1-(10H-phenothiazin-2-yl)ethanone 6631-94-3 InChI=1/C14H11NOS/c1-9(16)10-6-7-14-12(8-10)15-11-4-2-3-5-13(11)17-14/h2-8,15H,1H ethanone, 1-(10H-phenothiazin-2-yl)-