title: Synthesis of stacked purine bases.
mesh_terms: D009682:Magnetic Resonance Spectroscopy; D008722:Methods; D008968:Molecular Conformation; D009690:Nucleic Acid Conformation; D011687:Purines / Q000138:chemical synthesis*; D013056:Spectrophotometry, Ultraviolet
chemical_list: D011687:Purines