作者: Kazuhito Tanabe , Masaaki Sugiura , Sei-ichi Nishimoto
DOI: 10.1016/J.BMC.2010.07.066
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摘要: … 4C), we observed a positive peak at 272 nm and a negative peak at 242 nm. These results strongly indicate that the new signal at −165.7 ppm in the 19 F NMR spectra was attributable …