1,9-dimethyl-1,6-dihydroimidazo[4,5-c]phenothiazine InChI=1/C15H13N3S/c1-9-3-4-10-13(7-9)19-15-12(17-10)6-5-11-14(15)18(2)8-16-11/h3-8,17H,1-2H imidazo[4,5-c]phenothiazine, 1,6-dihydro-1,9-dimethyl-