1-Hydroxy-2,3,4,7-tetramethoxyxanthoneTN253314103-09-4
1-Hydroxy-2,3,4,7-tetramethoxy-xanthone has vasodilatory action, causing vasodilation in the coronary artery pre-contracted with 1 μM 5-hydroxytryptamine (5-HT), with an EC 50 value of 6.6±1.4 μM.