英文别名Folic Acid Impurity E; 6-Pterinyl Folic Acid; N-(4-{[(2-Amino-4-oxo-1,4-dihydro-6-pteridinyl)methyl][(2-amino-4-oxo-4,8-dihydro-6-pteridinyl)methyl]amino}benzoyl)-L-glutamic acid; Folic Acid EP Impurity E; 6-pterinylfolic acid; L-Glutamic acid, N-[4-[bis[(2-amino-3,4-dihydro-4-oxo-6-pteridinyl)methyl]amino]benzoyl]-; (2S)-2-[[4-[bis[(2-amino-4-oxo-1H-pteridin-6-yl)methyl]amino]benzoyl]amino]pentanedioic acid; (2S)-2-[4-[bis[(2-amino-4-oxo-1,4-dihydropteridin-6-yl)methyl]amino]benzamido]pentanedioic acid; N-[4-[bis[(2-amino-3,4-dihydro-4-oxo-6-pteridinyl)methyl]amino]benzoyl]-L-glutamic acid; Folic Acid Impurity 5 
