1-(4-Methylphenyl)-3,3a-dihydropyrrolo(3,2-b)(1,4)benzothiazin-2(1H)-one 134616-49-2 BRN 4816731 Pyrrolo(3,2-b)(1,4)benzothiazin-2(1H)-one, 3,3a-dihydro-1-(4-methylphenyl)-