Azo dyes derived from sulfa drugs.
D001391:Azo Compounds; D004396:Coloring Agents; D006801:Humans; D000077145:Sulfanilamide; D013424:Sulfanilamides; D013449:Sulfonamides / Q000737:chemistry*
D001391:Azo Compounds; D004396:Coloring Agents; D013424:Sulfanilamides; D013449:Sulfonamides; D000077145:Sulfanilamide
SULFONAMIDES/chemistry