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yikaijia: ½ð±Ò+15, ¡ï¡ï¡ïºÜÓаïÖú 2015-04-24 08:12:24
1 .     compound 1c
    ÏàËÆ¶È:71.4%
Magnetic Resonance in Chemistry          1985          23          437-441
Quaternization of pyrido[2,3-b]pyrazines: 1H and 13C NMR Study
O. N. Chupakhin, V. N. Charushin, A. I. Chernyshev and S. E. Esipov
Structure      13C NMR    Structure & 13C NMR     Ì¼Æ×Ä£Äâͼ

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2 .     compound 14
    ÏàËÆ¶È:60%
Magnetic Resonance in Chemistry          1992          30          681-683
Interpretation of the 13C NMR spectra of thirteen methoxycarbonylpyridines and some of their derivatives
Reija Jokela
Structure      13C NMR    Structure & 13C NMR     Ì¼Æ×Ä£Äâͼ
2Â¥2015-04-23 13:29:07
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

yangyinhe

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È磺21.4,30.4,37.4,73.2,73.7,125.6,126.6,139.6,140.2,168.2
3Â¥2015-04-23 13:29:45
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yikaijia

½ð³æ (ÖøÃûдÊÖ)

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3Â¥: Originally posted by yangyinhe at 2015-04-23 13:29:45
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°´´ÓСµ½´ó˳ÐòÊäÈ룬Êý×Ö¼äÓÃÓ¢Îİë½Ç¶ººÅ(,)·Ö¸ôÀýÈ磺
È磺21.4,30.4,37.4,73.2,73.7,125.6,126.6,139.6,140.2,168.2

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4Â¥2015-04-24 08:12:10
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