11H-1,4-dioxino[2,3-b]xanthen-11-one, 2,3-dihydro-3-(4-hydroxy-3-methoxyphenyl)-2-(hydroxymethyl)-5-methoxy-, (2R,3R)- InChI=1/C24H20O8/c1-28-17-9-12(7-8-15(17)26)21-19(11-25)30-18-10-14-20(27)13-5-3-4-6-16(13)31-22(14)24(29-2)23(18)32-21/h3-10,19,21,25-26H,11H2,1-2H3/t19-,21-/m1/s rel-(2R,3R)-3-(4-hydroxy-3-methoxyphenyl)-2-(hydroxymethyl)-5-methoxy-2,3-dihydro-11H-[1,4]dioxino[2,3-b]xanthen-11-one