The molecular formula C21H21O11+ (molar mass: 449.38 g/mol, exact mass: 449.108386 u) may refer to:
- Chrysanthemin or cyanidin 3-O-glucoside
- Ideain or cyanidin 3-O-galactoside, a compound found in Quintinia serrata
- Delphinidin 3-O-α-rhamnoside, a compound found in Vaccinium padifolium
This set index page lists chemical structure articles associated with the same molecular formula.
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