英文别名Piracetam Impurity 17; 1-(3,4-dihydro-2H-pyrrol-5-yl)-2-pyrrolidinone; 1-(1-pyrrolin-2-yl)-2-pyrrolidinone; 4,5,4',5'-tetrahydro-3H,3'H-[1,2']bipyrrolyl-2-one; 2-Pyrrolidinone,1-(3,4-dihydro-2H-pyrrol-5-yl); 1-(1-Pyrrolin-2-yl)-2-pyrrolidinon; 2-pyrrolinyl-2-pyrrolidinone; 1-(1-pyrrolidin-2-yl)-2-pyrrolidone 
