英文同义词:
2-Oxo-4-phenylpyrrolidine-1-acetic acid hydrazide;Phenylpiracetam hydrazide, Fonturacetam hydrazide;2-Oxo-4-phenyl-1-pyrrolidineacetic acid hydrazide;Fonturacetam hydrazide;1-Pyrrolidineacetic acid, 2-oxo-4-phenyl-, hydrazide;Piracetam Impurity 7