title: The crystal structure of a thymine trimer, C15H20N6O7-H2O, a photoproduct of thymine.
mesh_terms: D003461:Crystallography; D010777:Photochemistry; D011108:Polymers; D013941:Thymine; D014961:X-Ray Diffraction
chemical_list: D011108:Polymers; D013941:Thymine