has role is protonated form of has functional parent sulfadiazinate antibacterial agent xenobiotic coccidiostat antimalarial pyrimidines sulfanilamide substituted aniline EC 2.5.1.15 (dihydropteroate synthase) inhibitor EC 1.1.1.153 [sepiapterin reductase (L-erythro-7,8-dihydrobiopterin forming)] inhibitor environmental contaminant sulfonamide antibiotic drug allergen sulfadiazine A sulfonamide consisting of pyrimidine with a 4-aminobenzenesulfonamido group at the 2-position. CHEBI:9328