Isopimara-7,15-dien-3-one

13β-Methyl-13-vinylpodocarp-7-en-3-one

(4aR)-7α-Ethenyl-3,4,4a,4bα,5,6,7,8,10,10aα-decahydro-1,1,4aβ,7-tetramethylphenanthrene-2(1H)-one