Synonym(s): 3-Acetyl-5- sec -butyl-4-hydroxy-3-pyrrolin-2-one Empirical Formula: C₁₀H₁₄NO₃ -+ 0.5Cu Linear Formula: C₁₀H₁₄NO₃ -+ 1/2Cu Formula Weight: 228.00 MDL Number: MFCD00083505 Storage: 2-8°C