Kaempferol-7,4'-dimethyl ether
3,5-Dihydroxy-4',7-dimethoxyflavone is a natural product isolated and purified from the herb of Andrographis paniculata (Burm. f.) Nees. showing antioxidant activity, it also shows significant activity against Staphylococcus aureus and Escherichia coli with minimum inhibitory concentration (MIC) at 200 ug/mL and 225 ug/mL, respectively.