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English![3,4,8,9-TETRAHYDROXY-6H-DIBENZO[B,D]PYRAN-6-ONE](http://www.chemcd.com/createImage?smile=c1cc%28c%28c2c1c3cc%28c%28cc3c%28%3DO%29o2%29O%29O%29O%29O&size=web.jpg)
