Colorimetric estimation of sulfonamide and its derivatives in pharmaceutical products.
D003124:Colorimetry; D000077145:Sulfanilamide; D013424:Sulfanilamides; D013449:Sulfonamides / Q000737:chemistry*
D013424:Sulfanilamides; D013449:Sulfonamides; D000077145:Sulfanilamide
SULFONAMIDES/chemistry