68352-93-2 N-(4-(((2,4-Diamino-6-pteridinyl)methyl)methylamino)benzoyl)-beta-alanine N-(p-(((2,4-Diamino-6-pteridinyl)methyl)methylamino)benzoyl)-beta-alanine beta-Alanine, N-(4-(((2,4-diamino-6-pteridinyl)methyl)methylamino)benzoyl)- beta-Alanine, N-(p-(((2,4-diamino-6-pteridinyl)methyl)methylamino)benzoyl)-