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Unformatted text preview: used as a biomarker for the presence of marine algal matter in the environment. Look at this line-angle structure of brassicasterol, and determine the total number of chiral centers present in this molecule. Write your answer in the appropriate box. Several (but not all) of these chiral centers are marked with arrows. In the box associated with each arrow, indicate the stereochemical configuration of the chiral center as ( R ) or ( S ) . Total number of chiral centers present = H H H O H H Brassicasterol...
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- Fall '05