(4S,6S)-6-Methyl-7,7-dioxo-5,6-dihydro-4H-thieno[2,3-b]thiopyran-4-ol

dorzolomide hydrochloride intermediate-7 ; (4s,6s)-6-methyl-7,7-dioxo-5,6-dihydro-4h-thieno[2,3-b]thiopyran-4-ol ; (4s,6s)-5,6-dihydro-4-hydroxy-6-methylthieno[2,3-b]thiopyran-7,7-dioxide ; (3s,5s)-3-methyl-2,2-dioxo-2$l^{6},9-dithiabicyclo[4.3.0]nona-7,10-die n-5-ol ; (4s,6s)-4-hydroxy-6-methyl-5,6-dihydro-4h-thieno[2,3-b]thiopyran 7,7-dioxide ; (4s,6s)-5,6-dihydro-4-hydroxy- ; (4s,6s)-5,6-dihydro-6-methyl-4h-thieno[2,3-b]thiopyran-4-ol 7,7-dioxide ; dorzolamideintermediates ; dorzolamide inter-7 ; 4h-thieno[2,3-b]thiopyran-4-ol