dorzolamide
5,6-dihydro-(R,S)-4-acetoxy-(S)-6-methyl-4H-thieno<2,3-b>thiopyran 7,7-dioxide
N-(5,6-dihydro-(S)-6-methyl-4H-thieno<2,3-b>thiopyran-4-yl)acetamide 7,7-dioxide
4-(acetylamino)-5,6-dihydro-(S)-6-methyl-4H-thieno<2,3-b>thiopyran-2-sulfonamide 7,7-dioxide
5,6-dihydro-(R,S)-4-hydroxy-(S)-6-methyl-4H-thieno<2,3-b>thiopyran 7,7-dioxide