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Ginkgo biloba. The plant is classified under the family of Ginkgoaceae, the only species in the division of Ginkgophyta. With 40 m in height, this tree is characterised by the fan-shaped leaves composed of more than two distinct lobes (a). Ginkgolide A, R1=H; R2=H; R3=OH, Ginkgolide B, R1=OH; R2=H; R3=OH, Ginkgolide C, R1=OH; R2=OH; R3=OH, Ginkgolide J, R1=H; R2=OH; R3=OH, Ginkgolide M, R1=OH; R2=OH; R3=H (b) [129].
