68538-85-2

(S)-Leucovorin (6S)-Leucovorin Folinic Acid EP Impurity H (6S)-5-Formyltetrahydrofolic acid Impurity H of Calcium Levofolinate Folinic Acid Impurity H (Levofolinic Acid) N-[4-[[(2-Amino-5-formyl-1,4,5,6,7,8-hexahydro-4-oxo-6-pteridinyl)methyl]amino]benzoyl]-L-glutamic Acid L-Glutamic acid, N-[4-[[[(6S)-2-amino-5-formyl-3,4,5,6,7,8-hexahydro-4-oxo-6-pteridinyl]methyl]amino]benzoyl]- (-)-N-[4-[[[(6S)-2-Amino-5-formyl-1,4,5,6,7,8-hexahydro-4-oxopteridin-6β-yl]methyl]amino]benzoyl]-L-glutamic acid (2S)-2-[[4-[[(6S)-2-amino-5-formyl-4-oxo-1,6,7,8-tetrahydropteridin-6- yl]methylamino]benzoyl]amino]pentanedioic acid