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Unsaturated steroids. Part 4. Some steroidal hydroxy-4,4-dimethyl-5,7-dienes and 4,4-dimethyl-5,7,14(15)-trienes. 1977

J Brynjolffssen, and J M Midgley, and W B Whalley

UI MeSH Term Description Entries
D008722 Methods A series of steps taken in order to conduct research. Techniques,Methodological Studies,Methodological Study,Procedures,Studies, Methodological,Study, Methodological,Method,Procedure,Technique
D008745 Methylation Addition of methyl groups. In histo-chemistry methylation is used to esterify carboxyl groups and remove sulfate groups by treating tissue sections with hot methanol in the presence of hydrochloric acid. (From Stedman, 25th ed) Methylations
D002775 Cholestadienols Cholestadiene derivatives containing a hydroxy group anywhere in the molecule.
D002783 Cholestenones CHOLESTENES with one or more double bonds and substituted by any number of keto groups.
D006914 Hydroxysteroids Steroids in which one or more hydroxy groups have been substituted for hydrogen atoms either within the ring skeleton or on any of the side chains.

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