19-norsteroids of unnatural configuration from ergosterol.
D055598:Chemical Phenomena; D002621:Chemistry; D007259:Infrared Rays; D008027:Light; D009682:Magnetic Resonance Spectroscopy; D008722:Methods; D008956:Models, Chemical; D009654:Norsteroids / Q000138:chemical synthesis*; D009905:Optical Rotatory Dispersion; D012399:Rotation; D013053:Spectrophotometry; D014807:Vitamin D
D009654:Norsteroids; D014807:Vitamin D