LFL02A: Levofolinate EP Impurity B

Leucovorin USP Impurity D ;

5,10-Diformyltetrahydrolevofolic Acid ;

(S)-2-(4-(N-(((R)-2-Amino-5-formyl-4-oxo-1,4,5,6,7,8-hexahydropteridin-6-yl)methyl)formamido)benzamido)pentanedioic acid ;

C21H23N7O8 ;
Mol. Wt.: 501.45 ;