title: Structure of the vitamin D 2 -tetracyanoethylene adduct.
mesh_terms: D055598:Chemical Phenomena; D002621:Chemistry; D004872:Ergocalciferols; D005030:Ethylenes; D007259:Infrared Rays; D009682:Magnetic Resonance Spectroscopy; D009570:Nitriles; D013057:Spectrum Analysis; D014466:Ultraviolet Rays
chemical_list: D004872:Ergocalciferols; D005030:Ethylenes; D009570:Nitriles