elementary analysis and nmr spectra 元素分析和核磁共振谱
These compounds were characterized by IR, 1HNMR and elementary analysis.
这些化合物均被1HNMR、IR和元素分析证实。
The structure of target compound was confirmed by IR and elementary analysis.
产物经IR及元素分析表征了结构。
The structure of HAPS was identified by using IR, HNMR and elementary analysis.
经元素分析、红外光谱分析和核磁共振谱分析，确证了HAPS的结构。
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