共查询到20条相似文献,搜索用时 46 毫秒
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C. Babin 《Marine Micropaleontology》1986,10(4)
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《Basic and Applied Ecology》2014,15(3):277-278
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Matthias Schaefer 《Basic and Applied Ecology》2009,10(8):771
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《Basic and Applied Ecology》2008,9(6):793
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Measurements of the 1H NMR spectra of the diastereoisomers of 1-(tetrahydro-2-furanyl)-5-fluorouracil, 3-(tetrahydro-2-furanyl)-5-fluorouracil, and 1,3-bis(tetrahydro-2-furanyl)-5-fluorouracil in the presence of tris[3-(2,2,2-trifluoro-1-hydroxyethylidene)-d-camphorato]europium(Eu(TFC)3) as a chiral shift reagent showed differences between the isomers in the chemical shift changes of the protons of C2'-H and C6-H etc. 相似文献
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