Synthesis and NMR Study of Phenols Multi Substituted by Alkanes Containing Fluorine and Study on Their NMR Spectra是什么意思_Synthesis and NMR Study of Phenols Multi Substituted by Alkanes Containing Fluorine and Study on Their NMR Spectra在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句