英文别名2-(4-(2-Amino-4-oxo-3,4-dihydropteridine-6-carboxamido)benzamido)pentanedioic acid; N-[4-(2-amino-4-oxo-3,4-dihydro-pteridine-6-carbonylamino)-benzoyl]-glutamic acid; 9-Oxofolsaeure; L-Glutamic acid, N-[4-[[(2-amino-1,4-dihydro-4-oxo-6-pteridinyl)carbonyl]amino]benzoyl]- (9CI); Folic Acid Impurity 40; Folic acid oxidizes impurities; Calcium Levofolinate Impurity 19; Folic Acid Impurity L 
