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  Indian J Med Microbiol
 

Figure 4: Chemical structures of three non-alkaloids identified in the extract of Coptis chinensis Franch. A: 3-O-Feruloylquinic acid; B: 4-O-Feruloylquinic acid; C: 5-O-Feruloylquinic acid

Figure 4: Chemical structures of three non-alkaloids identified in the extract of Coptis chinensis Franch. A: 3-O-Feruloylquinic acid; B: 4-O-Feruloylquinic acid; C: 5-O-Feruloylquinic acid