68352-97-6 DL-Valine, N-(4-(((2,4-diamino-6-pteridinyl)methyl)methylamino)benzoyl)- N-(4-(((2,4-Diamino-6-pteridinyl)methyl)methylamino)benzoyl)-DL-valine N-(p-(((2,4-Diamino-6-pteridinyl)methyl)methylamino)benzoyl)valine Valine, N-(p-(((2,4-diamino-6-pteridinyl)methyl)methylamino)benzoyl)-, DL-