. . . "Betaenone A" . . . . . . . "(3Z)-4,6,9-trihydroxy-3-(hydroxymethylidene)-1,6,8,9-tetramethyl-10-(1-methylpropyl)octahydro-1,4-ethanonaphthalen-2(1H)-one" . "betaenone A" . "Betaenone A" . . . "A" . . . . . . . . . . .