97772-99-1

7-Hydroxy AMinopterin N-[p-[[(2,4-DiaMino-7-hydroxy-6-pteridinyl)Methyl]aMino]benzoyl]-L-glutaMic Acid N-[4-[[(2,4-DiaMino-7,8-dihydro-7-oxo-6-pteridinyl)Methyl]aMino]benzoyl]-L-glutaMic Acid N-[4-[[(2,4-DiaMino-1,7-dihydro-7-oxo-6-pteridinyl)Methyl]aMino]benzoyl]- L-GlutaMic Acid N-{4-[(2,4-diamino-7-oxo-7,8-dihydro-pteridin-6-ylmethyl)-amino]-benzoyl}-L-glutamic acid