N-[4-[[(2-Amino-3,4-dihydro-4-oxo-6-pteridinyl)methyl]methylamino]benzoyl]-L-glutamic Acid; N-[p-[[(2-Amino-3,4-dihydro-4-oxo-6-pteridinyl)methyl]methylamino]benzoyl]- L-glutamic Acid; N-[p-[[(2-Amino-4-hydroxy-6-pteridinyl)methyl]methylamino]|benzoyl]glutamic Acid; N-[4-[[(2-Amino-1,4-dihydro-4-oxo-6-pteridinyl)|methyl]methylamino]benzoyl]-L-glutamic Acid; 10-Methylfolic Acid; N10-Methyl Folic Acid; 10-Methylpteroylglutamic Acid; Methopterin; Methopterine; N10-Methylpteroylglutamic Acid; NSC 107144;

Methopterine is a Folic acid analogue. Methopterine is effective in the treatment of ectopic pregnancy.