174139-69-6

Brinzolamide Impurity 20 6-Chloro-2H-thieno[3,2-e][1,2]-thiazin-4(3H)-one 1,1-dioxide 6-Chloro-2,3-dihydro-4H-thieno[3,2-e][1,2]thiazin-4-one 1,1-dioxide 3,4-Dihydro-6-Chloro-4-Oxo-2H-Thienol[3,2-E]-1,2-Thiazine-1,1-Dioxide 4H-Thieno[3,2-e]-1,2-thiazin-4-one, 6-chloro-2,3-dihydro-, 1,1-dioxide 6-Chloro-2,3-dihydro-4H-thieno[3,2-e][1,2]thiazin-4-one 1,1-dioxide###174139-69-6