| This article relies largely or entirely on a single source .(August 2014) | 
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| Names | |
|---|---|
| IUPAC name 3′,4′,5,5′,7-Pentahydroxy-3-methoxyflavone | |
| Systematic IUPAC name 5,7-Dihydroxy-3-methoxy-2-(3,4,5-trihydroxyphenyl)-4H-1-benzopyran-4-one | |
| Other names Myricetin 3-Methylether | |
| Identifiers | |
| 3D model (JSmol) | |
| ChemSpider | |
|  PubChem CID | |
| UNII | |
|  CompTox Dashboard (EPA) | |
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| Properties | |
| C16H12O8 | |
| Molar mass | 332.264 g·mol−1 | 
| Density | 1.807 g/mL | 
| Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). | |
Annulatin is an O-methylated flavonol found in the roots of Pteroxygonum giraldii . [1]