has role has functional parent renoprotective agent antifibrotic agent antitubercular agent hypoglycemic agent antineoplastic agent xenobiotic antifungal agent antimalarial sulfanilamide substituted aniline dermatologic drug P450 inhibitor EC 2.5.1.15 (dihydropteroate synthase) inhibitor epitope isoxazoles anti-HIV agent ophthalmology drug EC 1.1.1.153 [sepiapterin reductase (L-erythro-7,8-dihydrobiopterin forming)] inhibitor environmental contaminant sulfonamide antibiotic drug allergen sulfamethoxazole CHEBI:9332 An isoxazole (1,2-oxazole) compound having a methyl substituent at the 5-position and a 4-aminobenzenesulfonamido group at the 3-position.