Purine stacking: effects of alkyl substituents.
D000473:Alkanes; D000478:Alkylation; D055598:Chemical Phenomena; D002627:Chemistry, Physical; D009682:Magnetic Resonance Spectroscopy; D009997:Osmotic Pressure; D011687:Purines / Q000138:chemical synthesis; D011743:Pyrimidines; D013696:Temperature; D014498:Uracil
D000473:Alkanes; D011687:Purines; D011743:Pyrimidines; D014498:Uracil