6-CHLORO-4-HYDROXY-2-METHYL-2H-THIENO(2,3-E)-1,2-THIAZINE-3-CARBOXYLIC ACID METHYL ESTER 1,1-DIOXIDE
6-chloro-4-hydroxy-2-methyl-2h-thieno(2,3-e)-1,2-thiazine-3-carboxylic acid methyl ester 1,1-dioxide