英语翻译The 1H and 13C NMR spectra were recorded using a 300MHz Bruker FTNMR Ultra Shields spectrometer.

英语翻译The 1H and 13C NMR spectra were recorded using a 300MHz Bruker FTNMR Ultra Shields spectrometer.
英语翻译
The 1H and 13C NMR spectra were recorded using a 300MHz Bruker FTNMR Ultra Shields spectrometer.

英语翻译The 1H and 13C NMR spectra were recorded using a 300MHz Bruker FTNMR Ultra Shields spectrometer.
H和C的核磁共振谱在300 MHZ的布鲁克傅里叶变换Ultra Shields 核磁共振光谱仪上记录下来
FT 是Forier Transform的缩写,傅里叶转换 Ultra Shields 是布鲁克仪器的一种型号