英文别名(S)-alpha-Ethyl-2-oxo-1-pyrrolidineacetic acid, (R)-methylbenzylamine salt; (R)-1-Phenylethanamine (S)-2-(2-oxopyrrolidin-1-yl)butanoate; (S)-alpha-ethyl-2-oxo-pyrrolidine acetic acid r-methyl-benzylamine salt; (S)-α-Ethyl-2-oxo-1-Pyrrolidineacetic acid, (R)-methylbenzylamine salt; (S)-Alpha-Ethyl-2-Oxo-1-Pyrrolidine Acetic Acid,R-Methyl-Benzylamine Salt; (2S)-2-(2-oxopyrrolidin-1-yl)butanoic acid,(1R)-1-phenylethanamine 
