82144-23-8 Aspartic acid, N-(N-(p-(((2,4-diamino-6-pteridinyl)methyl)methylamino)benzoyl)glycyl)-, L- L-Aspartic acid, N-(N-(4-(((2,4-diamino-6-pteridinyl)methyl)methylamino)benzoyl)glycyl)- N-(N-(4-(((2,4-Diamino-6-pteridinyl)methyl)methylamino)benzoyl)glycyl)-L-aspartic acid N-(N-(p-(((2,4-Diamino-6-pteridinyl)methyl)methylamino)benzoyl)glycyl)-L-aspartic acid