1,6-Dihydroxy-6',6'-dimethylpyrano(2',3':2,3)-6'',6''-dimethylpyrano(2'',3'':7,8)xanthone 10H-dipyrano[2,3-i:3',2'-a]xanthen-14(3H)-one, 5,13-dihydroxy-3,3,10,10-tetramethyl- 5,13-Dihydroxy-3,3,10,10-tetramethyl-3H,10H-4,7,9-trioxa-benzo[a]naphthacen-14-one 5,13-dihydroxy-3,3,10,10-tetramethyl-10H-dipyrano[2,3-i:3',2'-a]xanthen-14(3H)-one 84002-57-3 Brasilixanthone B Cyclodehydrogarcinone-B InChI=1/C23H20O6/c1-22(2)7-5-11-14(28-22)10-16-18(19(11)25)20(26)17-12-6-8-23(3,4)29-21(12)13(24)9-15(17)27-16/h5-10,24-25H,1-4H