28458-24-4 9,10-Anthracenedione, 1,3,6,8-tetrahydroxy-2-((2R,6R)-tetrahydro-6-methyl-2H-pyran-2-yl)-, rel-(+)- 9,10-Anthracenedione, 1,3,6,8-tetrahydroxy-2-(tetrahydro-6-methyl-2H-pyran-2-yl)-, cis-(+)- (VAN) Averufanin