| cyclopentane |
a hydrocarbon, C5H10, in which all five carbon atoms are in a single ring.
Ãâó: www.mercksource.com/pp/us/cns/cns_health_library.j...
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| cyclopentanoperhydrophenanthrene |
the basic skeleton common to the steroids, consisting of a saturated phenanthrene ring (three fused six-member carbocyclic rings) joined to a cyclopentane.
Ãâó: www.mercksource.com/pp/us/cns/cns_health_library.j...
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