外型和内型C-2位单取代降冰片烯衍生物的核磁共振波谱研究
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NMR Spectroscopic Studies on (exo, endo) C-2 Monosubstituted Norbornene Derivatives
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图5. exo-NB-COOH中C-2?C-1和C-4?C-3构象的Newman投影式 |
Fig.5. Depict the conformations of C-2?C-1 and C-4?C-3 of exo-NB-COOH in a Newman projection |
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