Not available,N-[4-[[(5-Methyl-1,3,4-thiadiazol-2-yl)amino]sulfonyl]phenyl]acetamide-d4,Sulfamethizole-d4 N4-Acetate is an intermediate in the synthesis of Sulfamethizole-d4 (Sulfamethizole-d4). Isotope Labelled Sulfamethizole is a sulfonamide based antibiotic that exhibit bactericidal activities towards gram-negative bacteria. Sulfamehizole was shown to be effective in treating gram-negative Bacillus AmpC enzyme in elderly patients with lower respiratory tract infection and as well as against microbs responsible for tuberculosis., Stable Isotopes