以下为句子列表：
英文: In this paper, three alkyl substituted dimethyl phosphonates have been synthesized by trimethyl phosphite with 1-Bromopentane, 1-Bromohexane and 1,2-Dibromoethane. IR, 1H-NMR and 13C-NMR data of these compounds have been reported.
中文: 摘要以溴戊烷、溴己烷、1,2-二溴乙烷和亚磷酸三甲酯为原料，分别合成了戊基、己基、溴乙基取代的三种膦酸二甲酯化合物。并报道了所合成的化合物的红外光谱、核磁共振氢谱及核磁共振碳谱的数据。
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英文: Results Eighteen titled compounds were synthesized, their structure were confirmed by 1H-NMR and MS analysis.
中文: 结果共得到18个目标化合物，经1H-NMR、MS确证其结构。
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英文: The structure of di-n-propyl phosphite and propaphos prepared were identified by IR and 1H-NMR spectra.
中文: 二正丙基亚磷酸酯和丙虫磷的结构用IR和1H-NMR表徵。
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英文: The structure of mirtazpine was confirmed by 1H-NMR (H^1-nuclear magnetic resonance) and MS (mass spectrum), and the purity was 99.79% by HPLC.
中文: 1-甲基－3-苯基哌嗪与2-氯－3-制氰基吡啶亲核取代，再经水解、还原和环合等反应得到米氮平，总收率为22.6%，结构经1H-NMR和MS（质谱）确认，HPLC含量为99.79%。
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