Synonyms: (4aS)-1,1,4aβ-Trimethyl-1,2,3,4,4a,9,10,10aα-octahydrophenanthrene-2-one;(4aS)-1,1,4aβ-Trimethyl-3,4,4a,9,10,10aα-hexahydrophenanthrene-2(1H)-one;(4aS)-3,4,4a,9,10,10aα-Hexahydro-1,1,4aβ-trimethylphenanthren-2(1H)-one;1,1,4aβ-Trimethyl-3,4,4a,9,10,10aα-hexahydrophenanthrene-2(1H)-one