1-hydroxy-2,3,5-trimethoxyxanthene

1-Hydroxy-2,3,5-trimethoxyxanthone (compound 3) can be isolated from Polygala paniculata[1].

[1] Rodrigo Cristiano, et al. Two xanthones from Polygala paniculata and confirmation of the 1-hydroxy-2,3,5-trimethoxy-xanthone at trace level by HRGC-MS. Z Naturforsch C J Biosci. 2003, 58, 7. DOI:10.1515/znc-2003-7-808