10-ethyl-10H-phenothiazine-4-carbaldehyde 10H-phenothiazine-4-carboxaldehyde, 10-ethyl- InChI=1/C15H13NOS/c1-2-16-12-7-3-4-9-14(12)18-15-11(10-17)6-5-8-13(15)16/h3-10H,2H2,1H