Ginkgolide
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Ginkgolides are biologically active terpenic lactones present in Ginkgo biloba. It is a diterpenoid, i.e. it has 20-carbon skeleton and is synthesized from geranylgeranyl pyrophosphate.
R1 | R2 | R3 | |
A | OH | H | H |
B | OH | OH | H |
C | OH | OH | OH |
J | OH | H | OH |
M | H | OH | OH |