
Cyclopentanoperhydrophenanthrene (Cyclopentane perhydro phenanthrene), also known as Steranes are a class of 4-cyclic compounds derived from steroids or sterols via diagenetic and catagenetic degradation and saturation. Steranes have an androstane skeleton with a side chain at carbon C-17. The sterane structure constitutes the core of all sterols....
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http://en.wikipedia.org/wiki/Sterane

The hypothetical parent molecule for any steroid hormone; a saturated hydrocarbon compound that contains no oxygen. The name was originally conceived to achieve forms of systematic nomenclature, but is now supplanted by the fundamental variants: gonane, estrane, androstane, norandrostane (etiane), cholane, cholestane, ergostane, and stigmastane. â...
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http://www.encyclo.co.uk/local/20973

Type: Term Pronunciation: ster′ān, stēr′ān Definitions: 1. The hypothetic parent molecule for any steroid hormone; a saturated hydrocarbon compound that contains no oxygen. The name was originally conceived to achieve forms of systematic nomenclature, but is now supplanted by the fundamental variants: gonane, estrane, and...
Found on
http://www.medilexicon.com/medicaldictionary.php?t=84886
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