Synonyms: Butanedioicacid, 6-chloro-2-methyl-1,1-dioxido-3-[(2-pyridinylamino)carbonyl]-2H-thieno[2,3-e]-1,2-thiazin-4-ylmethyl ester (9CI); Butanedioic acid,6-chloro-2-methyl-3-[(2-pyridinylamino)carbonyl]-2H-thieno[2,3-e]-1,2-thiazin-4-ylmethyl ester, S,S-dioxide; 2H-Thieno[2,3-e]-1,2-thiazine, butanedioic acidderiv.