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. Author manuscript; available in PMC: 2014 Nov 21.
Published in final edited form as: Anticancer Agents Med Chem. 2012 Dec;12(10):1221–1238. doi: 10.2174/187152012803833080

Figure 5.

Figure 5

Chemical structures of some natural compounds that may have activity against IL-6 trans-signaling. Most of these compounds suppress activation of STAT3.