C. Feng, B. G. Li, X. P. Gao, H. Y. Qi, G. L. Zhang, A new triterpene and an antiarrhythmic liriodendrin from Pittosporum brevicalyx, Archives of Pharmacal Research, 2010, vol. 33(12), pp. 1927-1932. PMID21191756, DOI10.1007/s12272-010-1206-1.
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C. Feng, B. G. Li, X. P. Gao, H. Y. Qi, G. L. Zhang, A new triterpene and an antiarrhythmic liriodendrin from Pittosporum brevicalyx, Archives of Pharmacal Research, 2010, vol. 33(12), pp. 1927-1932. PMID21191756, DOI10.1007/s12272-010-1206-1.