BIOSYNTHESIS OF PLANT STEROIDS. I. THE ORIGIN OF THE BUTENOLIDE RING OF DIGITOXIGENIN.
D015107:4-Butyrolactone / Q000031:analogs & derivatives; D002247:Carbon Isotopes; D004070:Digitalis; D004073:Digitoxigenin; D004074:Digitoxin; D008660:Metabolism; D008798:Mevalonic Acid; D010840:Phytosterols; D010936:Plant Extracts; D012106:Research
D002247:Carbon Isotopes; D010840:Phytosterols; D010936:Plant Extracts; D004073:Digitoxigenin; C004511:butenolide; D004074:Digitoxin; D015107:4-Butyrolactone; D008798:Mevalonic Acid
CARBON ISOTOPES; DIGITALIS; DIGITOXIN; EXPERIMENTAL LAB STUDY; METABOLISM; MEVALONIC ACID