araucarolone

Noun

 * 1)  The diterpenoid (2R,4aR,4bS,7S,10aR)-2-hydroxy-7-(2-hydroxyacetyl)-1,1,4a,7-tetramethyl-2,4,4b,5,6,8,10,10a-octahydrophenanthren-3-one present in some araucarians