title: Crystal and molecular structure of 1,1'-trimethylenebisthymine (Thy-C 3 -Thy). A study of the environment of a solid state photochemical reaction.
mesh_terms: D003461:Crystallography; D008722:Methods; D008961:Models, Structural; D008968:Molecular Conformation; D010777:Photochemistry; D013941:Thymine
chemical_list: D013941:Thymine