Synonyms: 1H-Xanthene-1,3(2H)-dione,4,4a,9,9a-tetrahydro-2-(1-hydroxy-3-phenyl-2-propenylidene)-4a,9a-dimethoxy-,[2(E),4aa,9aa]- (9CI); 1H-Xanthene-1,3(2H)-dione,4,4a,9,9a-tetrahydro-2-(1-hydroxy-3-phenyl-2-propenylidene)-4a,9a-dimethoxy-,[2(E),4aa,9aa]-(?à)-