eckol

4-(3,5-Dihydroxyphenoxy)dibenzo-p-dioxin-1,3,6,8-tetrol

1-(Resorcinol-5-yloxy)-2,4,7,9-tetrahydroxydibenzo-p-dioxin

4-(3,5-Dihydroxyphenoxy)dibenzo[b,e][1,4]dioxin-1,3,6,8-tetrol