[2]Benzopyrano[4,3-b][1]benzopyran-7(5H)-one,6a,12a-dihydro-2,3,8,10-tetrahydroxy-, (6aR,12aR)-(+)- (8CI);[2]Benzopyrano[4,3-b][1]benzopyran-7(5H)-one,6a,12a-dihydro-2,3,8,10-tetrahydroxy-, (6aR-trans)-; (+)-trans-Crombeone;Crombeone
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