10-ethyl-10H-phenothiazine-1,6-dicarbaldehyde 10H-phenothiazine-1,6-dicarboxaldehyde, 10-ethyl- InChI=1/C16H13NO2S/c1-2-17-13-7-3-6-12(10-19)16(13)20-14-8-4-5-11(9-18)15(14)17/h3-10H,2H2,1H