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