Chemical Name: (4S)-4-[[4-[[(2,4-diaminopteridin-6-yl)methyl]methylamino]benzoyl]amino]-5-methoxy-5-oxopentanoic acid
Synonym: Methotrexate 1-methyl ester ; Methotrexate Related Compound I (USP);
Smile: NC1=NC(N=CC(CN(C)C2=CC=C(C(N[C@]([H])(C(OC)=O)CCC(O)=O)=O)C=C2)=N3)=C3C(N)=N1