N-[4-[[(2-Amino-3,4-dihydro-4-oxo-6-pteridinyl)methyl]methylamino-d3]benzoyl]-L-glutamic Acid; N-[p-[[(2-Amino-3,4-dihydro-4-oxo-6-pteridinyl)methyl]methylamino- d3]benzoyl]- L-glutamic acid; N-[p-[[(2-Amino-4-hydroxy-6-pteridinyl)methyl] methylamino-d3]benzoyl]glutamic Acid