19701-83-8 N-Acetyl-L-alanine N'-methylamide N-Acetyl-L-alanine methylamide N-Acetyl-N'-methylalaninamide N-Acetylalanine methylamide NSC186894 Propanamide, 2-(acetylamino)-N-methyl-, (S)- Propionamide, 2-acetamido-N-methyl-, L-