Chemical Name: (2S)-2-[4-[[(2-Amino-4-oxo-1,4-dihydropteridin-7-yl)methyl]amino]benzamido]pentanedioic acid (isofolic acid),

Smiles: O=C(O)[C@@H](NC(C1=CC=C(NCC2=CN=C3C(N=C(N)NC3=N2)=O)C=C1)=O)CCC(O)=O