.gamma.-Acetylaminobutyric acid 3025-96-5 4-Acetamidobutyric acid Butanoic acid, 4-(acetylamino)- Butyric acid, 4-acetamido- DF 469 N-Acetyl-.gamma.-aminobutyrate N-Acetyl-4-aminobutanoic acid N-Acetyl-4-aminobutyric acid NSC27423