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Evidence-Based Complementary and Alternative Medicine
Volume 2013, Article ID 352019, 6 pages
http://dx.doi.org/10.1155/2013/352019
Research Article

Two Novel Norwithasteroids with Unusual Six- and Seven-Membered Ether Rings in Side Chain from Flos Daturae

Key Laboratory of Chinese Materia Medica of Ministry of Education, Heilongjiang University of Chinese Medicine, Harbin 150040, China

Received 1 January 2013; Revised 7 March 2013; Accepted 7 March 2013

Academic Editor: José Luis Ríos

Copyright © 2013 Bing-You Yang et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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