Sulfasymazine

4-amino-N-(4,6-diethyl-s-triazin-2-yl)benzenesulfonamide

4-amino-N-(4,6-diethyl-1,3,5-triazin-2-yl)benzenesulfonamide

4-azanyl-N-(4,6-diethyl-1,3,5-triazin-2-yl)benzenesulfonamide