Folic Acid Impurity 5

Chemical Name: (4S)-4-(4-(((2-amino-4-oxo-1,4-dihydropteridin-6-yl)methyl)amino)benzamido)-5-((4-((1-carboxy-3-chloropropyl)carbamoyl)phenyl)amino)-5-oxopentanoic acid

Smile: NC(NC1=C2N=C(CNC3=CC=C(C(N[C@]([H])(C(NC4=CC=C(C(NC(C(O)=O)CCCl)=O)C=C4)=O)CCC(O)=O)=O)C=C3)C=N1)=NC2=O