4H-(1,2,4)Triazolo(3,4-c)(1,4)benzothiazine, 7-chloro-1-(3-pyridinyl)- 7-Chloro-1-(3-pyridinyl)-4H-(1,2,4)triazolo(3,4-c)(1,4)benzothiazine 93299-98-0 BRN 4516233