title: Spatial configuration of ordered polynucleotide chains. 3. Polycyclonucleotides.
mesh_terms: D055598:Chemical Phenomena; D002621:Chemistry; D008968:Molecular Conformation; D009712:Nucleotides, Cyclic; D011119:Polynucleotides; D011685:Purine Nucleotides
chemical_list: D009712:Nucleotides, Cyclic; D011119:Polynucleotides; D011685:Purine Nucleotides