Microbiological transformation of steroids. I. The synthesis of 19-nortestololactone.
D001230:Aspergillus / Q000378:metabolism*; D055598:Chemical Phenomena; D002621:Chemistry; D007783:Lactones / Q000096:biosynthesis*; D009654:Norsteroids / Q000378:metabolism*; D013739:Testosterone / Q000378:metabolism*
D007783:Lactones; D009654:Norsteroids; D013739:Testosterone