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笑多会怀孕铁杆木虫 (著名写手)
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Comparisonof the experimental and theoretical ECD spectra (vaticahainol B),17 application of the olefin cleavage strategy to a known compound to get ECDs of the newly separated products (uliginoside B,11 laetevirenol D18), regioselective, and stereospecific transformations of a hypothetical biogenetic precursor (t)- 3-viniferin ((t)-ampelopsin A, (t)-vitisin A),19,20 acid-catalyzed skeletal conversion to get monoalkyl ether of known derivative (shoreaketone),21 and assignment based on the comparison of AC of D-b-glucopyranosyl group (hopeaside E)22 were also conducted to achieve the AC determination. |
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2楼2015-07-27 19:35:04