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21-hydroxypregna-1,4-diene-3,11,20-trione: A biliary metabolite of a cartilaginous fish,Raja sp.

Authors
Journal
Steroids
0039-128X
Publisher
Elsevier
Publication Date
Volume
31
Issue
4
Identifiers
DOI: 10.1016/0039-128x(78)90038-7

Abstract

Abstract 21-Hydroxypregna-l,4-diene-3,ll,20-trione was isolated from skate bile and as an in vivo metabolite of 3H-lα-hydroxycorticosterone. Identity was established by chromatography and derivatization to constant 3H/ 14C ratio and mass spectrometry of the 20,21-acetonide. The new steroid was present in the free form and as the glucuronoside.

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