Dorzolamide hydrochloride intermediates & all the related tech docs, even the DMF.
1 4H-Thieno[2,3-b]thiopyran-4-one,5,6-dihydro-6-methyl-, (6S) 147086-79-1
2 (4S,6S)-4H-Thieno[2,3-b]-thiopyran-4-ol-5,6-dihydro-6-methyl-7,7-dioxide 147128-77-6
3 (4S-Trans)-N-(5,6-dihydro-6-methyl-7,7-dio
xide-4h-thieno-[2,3-b]-thiopyran-4-yl)acetam
ide 147086-83-7
4 (4S)-4-Acetamide-5,6-Dihydro-6-Methyl-2-Sulfonamide-Thio[2,3-B]Thiopyran7,7Dioxide 147200-03-1