Pregnane
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Through Steroid, Hydrocarbon and Urine
5β-Pregnane is the parent of pregnanediones, pregnanolones, and pregnanediols, and is found largely in urine as a metabolic product of 5β-pregnane compounds.
Pregnanes
Pregnanes are steroid derivatives with carbons present at positions 1 through 21.
Most biologically significant pregnane derivatives fall into one of two groups: pregnenes and pregnadienes. Another class is pregnatrienes.
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Pregnenes
Pregnenes have a double bond. Examples include:
Pregnadienes
Pregnadienes have two double bonds. Examples include:
- Cyproterone acetate
- Danazol
- Fluocinonide
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GenusTaxonomic rank above species and below familyFamily (taxonomy)Taxonomic rank between genus and orderEndemismState of species being unique to a locationCladeGroup of a common ancestor and all of their descendantsGenomeAll genetic material of an organismOrder (taxonomy)Taxonomic rank between class and family