25663-23-4 4-Amino-9,10-dimethyl pteroylglutamic acid A-Denopterin Adenopterin Glutamic acid, N-(p-((1-(2,4-diamino-6-pteridinyl)ethyl)methylamino)benzoyl)-, L- L-Glutamic acid, N-(4-((1-(2,4-diamino-6-pteridinyl)ethyl)methylamino)benzoyl)-