(S)-ethyl N-(4-(1,1-diethoxyethoxy)-2-(3-methoxypropyl)-1,1-dioxido-3,4-dihydro-2H-thieno[3,2-e][1,2]thiazin-6-yl)sulfonylacetimidate
(S)-ethyl N-(4-(1,1-diethoxyethoxy)-2-(3-methoxypropyl)-1,1-dioxido-3,4-dihydro-2H-thieno[3,2-e][1,2]thiazin-6-yl)sulfonylacetimidate