4-((5-(1-Methylethyl)-1,3,4-thiadiazol-2-yl)amino)-4-oxo-2-sulfobutanoic acid sodium salt 95896-15-4 BUTANOIC ACID, 4-((5-(1-METHYLETHYL)-1,3,4-THIADIAZOL-2-YL)AMINO)-4-OXO-2-SULFO- Butanoic acid, 4-((5-(1-methylethyl)-1,3,4-thiadiazol-2-yl)amino)-4-oxo-2-sulfo-, monosodium salt