(+)-Amethopterin ;

(2S)-2-[[4-[[(2,4-Diaminopteridin-6-yl)methyl]methylamino]benzoyl] amino] pentanedioic acid ;

N-[4-[[(2,4-Diamino-6-pteridinyl)methyl]methyl amino] benzoyl]-L-glutamic acid ;

4-Amino-N10-methylpteroyl glutamic acid ; 4-Amino-N10-methylfolic acid ; 

CAS # 59-05-2 ;

C20H22N8O5 ;

​Mol. Wt.: 454.44 ;