懇請英文好的人能夠幫忙翻譯

懇請英文好的人幫忙翻譯這段 這是有關天然物的一篇開頭

In our continuing search for biologically active natural productsfrom tropical rainforests as part of an International CooperativeBiodiversity Group (ICBG) program,

we obtained an extract from the fruit of a plant originally identified as a Dalbergia sp.

but later reidentified as Cordyla madagascariensis ssp. madagascariensis; both the Cordyla and Dalbergia genera belong to the Fabaceae family.

The plant was collected in Madagascar, and its extract showed moderate antiproliferative activity against the A2780 human ovarian cancer cell line with an IC50 value of 21 μg/mL

No previous work has been reported on the chemistry of Cordyla sp.

except for the isolation of some flavonoids from the heartwood of Cordyla africana,and no chemical work has been reported on Cordyla madagascariensis.

The extract was selected for investigation on the basis of its antiproliferative activity, and bioassay-guided fractionation yielded four new cassane diterpenoids. Herein we report the structural elucidation of these diterpenoids and their bioactivities against the A2780 human ovarian cancer cell line.

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