Hippocastani semen Images
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Structural formula of aescin: R1=tiglic acid, angelic acid, isobutyric acid residues. R2= H/OH. The aglucone is called protoaescigenin (R2=OH) or barringtogenol C (R2= H).

Structural formula of aescin: R1=tiglic acid, angelic acid, isobutyric acid residues. R2= H/OH. The aglucone is called protoaescigenin (R2=OH) or barringtogenol C (R2= H).