1(2H)-Naphthalenone, octahydro-2,7-dihydroxy-3-((1R)-1-(hydroxymethyl)propyl)-4-((2Z)-3-hydroxy-1-oxo-2-propenyl)-2,4,5,7-tetramethyl-, (2S,3R,4R,4aS,5R,7R,8aS)-rel- 81210-11-9