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Abstract
A novel alkaloid, gaultherialine A (1), along with twenty-seven known compounds were isolated from the whole plants of Gaultheria nummularioides D. Don. The structure of the new alkaloid was elucidated as 7,8-dimethoxy-1-(4-methoxyphenyl)-4,5-dihydro-2H-benzo[e]indole-2-one N-oxide (1) on the basis of spectral evidence.
Acknowledgements
We thank Mr Jian Gu and Mr Qi-Lin Li for collecting plants, and Professor Zuo-Cheng Zhao for identifying the sample.