71074-47-0 Methotrexate-alpha-monoamide N-(N'-(2,4-Diamino-6-pteridinyl)methyl-N'-methyl-4-aminobenzoyl)-L-isoglutamine Pentanoic acid, 5-amino-4-((4-(((2,4-diamino-6-pteridinyl)methyl)methylamino)benzoyl)amino)-5-oxo-, (S)-