3',4',7-Trimethoxyquercetin
3',4',7-Trimethoxyquercetin (Quercetin 3′,4′,7-trimethyl ether) is a polymethoxyflavonoid that can be isolated from Taraxacum mongolicum. 3',4',7-Trimethoxyquercetin is also a derivative of Quercetin hydrate (HY-18085A). 3',4',7-Trimethoxyquercetin has anti-tumor activity[1][2][3].