ISSN:
1476-4687
Source:
Nature Archives 1869 - 2009
Topics:
Biology
,
Chemistry and Pharmacology
,
Medicine
,
Natural Sciences in General
,
Physics
Notes:
[Auszug] Fig. 1 Structural formulae of steroidal nuclei (N, I-VI) and side chains(R, 0-4). The sterols I, II and III, bearing a wide range of side chains, areproduced by organisms 1-3,11-13,22-24 and occur in sediments . In contrast, the 5b-stanols (IV and V) and the D2-sterene (VI) are apparently derived ...
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1038/290579a0
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