1-((4-Methyl-1-piperazinyl)methyl)-8-nitro-4H-s-triazolo(3,4-c)(1,4)benzothiazine 110216-02-9 4H-s-Triazolo(3,4-c)(1,4)benzothiazine, 1-((4-methyl-1-piperazinyl)methyl)-8-nitro-