The experts told a news conference on Wednesday one of the compounds, compound 1 or NSC89853, showed promise.
专家们在周三的新闻发布会上公布了一种叫化合物1或NSC89853的化合物。
Conclusion: Compounds 1 and 8 were obtained from this plant for the first time, and compound 1 was a new compound.
结论：化合物1和8为首次从该种植物中得到，其中化合物1为新化合物。
The phenyl groups in compound 1 were substituted by ICl, Br 2 or I 2 to yield mono- and dihalide derivatives(2—8).
加成物（ 1 ）与卤素反应后，与锡原子相连的苯基被取代，得到一卤代、二卤代和混合二卤代物（2— 8） 。
The compound 1, polyhydroxyyrazine, was extracted from Yunnan flue-cured tobacco and identified by IR, MS and NMR.
从云南烤烟中提取分离得到了一个多羟基吡嗪化合物1，采用IR、MS和NMR进行了鉴定。
Conclusion: compound 1 was isolated from this genus, while compounds 4 and 5 were isolated from this plant for the first time.
结论：化合物1为首次从本属植物中分得，4,5为首次从本植物中分得。
Conclusion Compounds 2-8 are obtained from this genus for the first time, while compound 1 is firstly isolated from this species.
结论化合物1首次从该种植物中分离得到，化合物2 ~ 8首次从该属植物中分离得到。
CONCLUSION: compound 1 was a new diphenylmethane derivative, and compounds 2-6 were isolated from the genus Uvaria for the first time.
结论：化合物1是一个新的二苯甲烷类衍生物，化合物2 - 6皆为紫玉盘属植物中首次分到。
CONCLUSION compound 1 ~ 5 are novel compounds. Compound 6 ~ 10 are known compounds. Compound 11 ~ 15 are isolated from the genus for the first time.
结论其中化合物1 ~5为新化合物，化合物6 ~10为已知化合物，化合物11 ~15为首次从该属植物中分离得到。
Compound 1 is a new compound, compound 2 and 3 were isolated from this plant for the first time.
其中化合物1为一个新的化合物，化合物2,3为首次从紫穗槐属中分离得到的已知化合物。
Compound 1 is a new monoterpene glucoside. Compounds 10 and 11 were isolated from this plant for the first time.
化合物1为新的单萜苷，化合物10和11为首次从该植物中发现。
Compound 1 is a new monoterpene glucoside. Compounds 10 and 11 were isolated from this plant for the first time.
化合物1为新的单萜苷，化合物10和11为首次从该植物中发现。
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