4,6,4'-Trihydroxy-3'-methoxyaurone

4,6,4'-Trihydroxy-3'-methoxyaurone is an herbicide. At concentrations of 100 and 1000 ug/mL, 4,6,4'-Trihydroxy-3'-methoxyaurone is able to inhibit the growth of rape root and barnyardgrass seedlings1.