- Norbergenin
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Norbergenin 
(2S,3R,4R,4aS,10bR)-3,4,8,9,10-pentahydroxy-2-(hydroxymethyl)-3,4,4a,10b-tetrahydro-2H-pyrano[3,2-c]isochromen-6-oneIdentifiers CAS number 79595-97-4, 838-40-4 PubChem 73192 ChemSpider 65953 
Jmol-3D images Image 1 - O=C3O[C@@H]1[C@H](O[C@@H](CO)[C@H](O)[C@H]1O)c2c(O)c(O)c(O)cc23
- InChI=1S/C13H14O9/c14-2-5-8(17)10(19)12-11(21-5)6-3(13(20)22-12)1-4(15)7(16)9(6)18/h1,5,8,10-12,14-19H,2H2/t5-,8-,10+,11+,12-/m0/s1
Key: GDYGAIKPBLFCKR-YWQRSDGBSA-N
Properties Molecular formula C13H16O9 Molar mass 314.24 g/mol Exact mass 314.063782 u 
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Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa)Infobox references Norbergenin is a chemical compound. It is the O-demethylated derivative of bergenin. It can be isolated from rhizomes of Bergenia stracheyi.[1]
References
- ^ Immunomodulatory effect of bergenin and norbergenin against adjuvant-induced arthritis - A flow cytometric study. Nighat Nazira, Surrinder Koulb, Mushtaq A. Qurishia, Sachin C. Tanejab, Sheikh F. Ahmadc, Sarang Banic and Ghulam N. Qazi, Journal of Ethnopharmacology, Volume 112, Issue 2, 13 June 2007, pp. 401-405, doi:10.1016/j.jep.2007.02.023
Monohydroxybenzoic acids Dihydroxybenzoic acids Gentisic acid | Homogentisic acid | Orsellinic acid | Protocatechuic acid | 2,3-Dihydroxybenzoic acid | 2,4-Dihydroxybenzoic acid | 2,6-Dihydroxybenzoic acid | 3,5-Dihydroxybenzoic acidTrihydroxybenzoic acids Bergenin | Chebulic acid | Ethyl gallate | Eudesmic acid | Gallic acid | Norbergenin | Phloroglucinol carboxylic acid | Syringic acid | Theogallin
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