Folic acid Impurity 14

Chemical Name: (S)-4-(4-(((2-amino-4-oxo-1,4-dihydropteridin-6-yl)methyl)amino)benzamido)-5-((2,6-diamino-4-oxo-1,4-dihydropyrimidin-5-yl)amino)-5-oxopentanoic acid

Smile: O=C(N[C@]([H])(C(NC1=C(N)NC(N)=NC1=O)=O)CCC(O)=O)C(C=C2)=CC=C2NCC3=NC4=C(N=C3)NC(N)=NC4=O