英文别名Folic Acid Impurity 8; Folic Acid EP Impurity H; L-Glutamic acid, N-[4-[[(4S)-4-[[4-[[(2-amino-3,4-dihydro-4-oxo-6-pteridinyl)methyl]amino]benzoyl]amino]-4-carboxy-1-oxobutyl]amino]benzoyl]; (S)-2-(4-((S)-4-(4-(((2-amino-4-oxo-4,8-dihydropteridin-6-yl)methyl)amino)benzamido)-4-carboxybutanamido)benzamido)pentanedioic acid; (4-((S)-4-(4-(((2-amino-4-oxo-1,4-dihydropteridin-6-yl)methyl)amino)benzamido)-4-carboxybutanamido)benzoyl)-L-glutamic acid; (S)-2-(4-((S)-4-(4-(((2-amino-4-oxo-1,4-dihydropteridin-6-yl)methyl)amino)benzamido)-4-carboxybutanamido)benzamido)pentanedioic acid 
