2,5-Cyclohexadien-1-one, 2,2'-methylenebis[3,5-dihydroxy-4,4-dimethyl-6-(1-oxobutyl)- 2,5-Cyclohexadien-1-one, 2,2'-methylenebis[6-butyryl-3,5-dihydroxy-4,4-dimethyl- 644-61-1 Albaspidin Albaspidin BB NSC112919 Polystichalbin