https://www.jstage.jst.go.jp/article/cpb1958/32/5/32_5_1741/_article
Tannins and Related Compounds. XIX. Eight New Gallotannins Containing a Proto-quercitol Core from...
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https://phytochem.nal.usda.gov/chemical-l-quercitol-0
Chemical L-QUERCITOL | Dr. Duke's Phytochemical and Ethnobotanical Databases
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