• Dear Dr. Fei Wang your spectrum are very good and helpful to understand NMR. I daily spend lot of time with your spectrum. Thanks for creating the page.

    Saturday, March 22, 2014

  • To dear 阮方进英 from Vietnam: Thanks for your highly praise!

    Monday, March 17, 2014

  • Hello Mr Wang, I'm 阮方进英, from Vietnam. I suddenly have eyes on your official website. It's really so great! I love more about your photochem NMRs, such as triterpenoids, flavonoids...Thanks so much!

    Monday, March 17, 2014

  • To dear the visitor from AHAU: THANKS FOR YOUR POSITIVE COMMENT (^_^). WANG's reply in LAS VEGAS

    Wednesday, November 13, 2013

  • 非常好,干净而又清楚的谱图,谢谢,能多上传点你的访问会更多!

    Sunday, November 10, 2013

  • Reply to Sunil: The flavonoids trifolin and hyperin belong to flavonol 3-O-galactosides,and the difference is that they possess different aglycones: kaempferol and quercetin, respectively. So the chemical shifts and coupling modes in ring B are obviously different in their 1H-NMR spectra.

    Wednesday, February 6, 2013

  • Dear sir, Thanks for providing nice spectra of flavonoids. May you explain difference between trifolin and hyperin with the help of spectra. waiting for the reply.... Sunil Jawla India

    Thursday, January 31, 2013

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    Friday, April 6, 2012