114684-97-8 4-((2-Chloro-5H-pyrrolo(3,2-d)pyrimidin-4-yl)amino)butanoic acid hydrate (2:1) Butanoic acid, 4-((2-chloro-5H-pyrrolo(3,2-d)pyrimidin-4-yl)amino)-, hydrate (2:1)