N-((4S,6S)-6-Methyl-7,7-dioxido-2-sulfamoyl-5,6-dihydro-4H-thieno[2,3-b]thiopyran-4-yl)acetamide;(4S)-4-Acetamide-5,6-Dihydro-6-Methyl-2-Sulfonamide-Thio[2,3-B]Thiopyran7,7Dioxide;(4S-trans)-N-[2-(aminosulfonyl)-5,6-dihydro-6-methyl-7,7-dioxido-4H-thieno-[2,3-b] thiopyran-4-yl]acetamide;(4S-trans)-N-[2-(aminosulfonyl)-5,6-dihydro-6-methyl-7,7-dioxido-4H-thieno-[2,3-b] thiopyran-4-yl]-acetamide;N-[(4S,6S)-2-(Aminosulfonyl)-5,6-dihydro-6-methyl-7,7-dioxido-4H-thieno[2,3-b]thiopyran-4-yl]acetamide;N-[(4S,6S)-6-methyl-7,7-dioxo-2-sulfamoyl-5,6-dihydro-4H-thieno[2,3-b]thiopyran-4-yl]acetamide;Dorzolomide hydrochloride intermediate-9;(4S-trans)-N-[2-(aminosulfonyl)-5,6-dihydro-6-methyl-7,;N-[(4S,6S)-6-Methyl-7,7-dioxo-2-sulfamoyl-5,6-dihydro-4H-thieno[2,3-b];N-6-Methyl-7,7-dioxo-2-sulfamoyl-5,6-dihydro-4H-thieno[2,3-b]thiopyran-4-yl]acetamide;N-[(4S,6S)-6-METHYL-7,7-DIOXO-2-SULFAMOYL-5,6-DIHYDRO-4H-THIENO[2,3-B]THIOPYRAN-4-YL]ACETAMIDE;4-(Acetamido)-5,6-dihydro-(S)-6-methyl- 4H-thieno [2,3-b]thiopyran-2- sulphonamide 7,7-dioxide;N-((4S,6S)-6-Methyl-7,7-dioxido-2-sulfamoyl-5,6-dihydro-4H-thieno[2,3-b]thiopyran-4-yl)acetami;N-[4S,6S)-6-Methyl-7,7-dioxo-2-sulfomyl-5,6-dihydro-4H-thieno[2,3-b] thiopyran-4-yl] acetamide;N-((4S,6S)-6-Methyl-7,7-dioxido-2-sulfaMoyl-5,6-dihydro-4H-thieno[2,3-b]thiopyran-4-yl)acetaMide