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C
21
H
20
O
9
The
molecular formula
C
21
H
20
O
9
(molar mass: 416.38 g/mol, exact mass: 416.1107 u) may refer to:
Aleuritin
, a coumarinolignoid
Daidzin
, an isoflavone
Puerarin
, an isoflavone