1,2,4-Triazolo(3,4-d)-1,5-benzothiazepine, 4,5-dihydro-9-chloro-5-methyl- 110766-39-7 4,5-Dihydro-9-chloro-5-methyl-1,2,4-triazolo(3,4-d)-1,5-benzothiazepine