Английская Википедия:27-Norcholestane

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Шаблон:Chembox

27-Norcholestane, is a chemical compound with formula Шаблон:Chem, that is a steroid derivative. 27-Norcholestane is used as a biomarker to constrain the source age of sediments and petroleum through the ratio between 24-norcholestane and 27-norcholestane (norcholestane ratio, NCR), especially when used with other age diagnostic biomarkers, like oleanane.[1]

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Шаблон:Steroid-stub