(3aR,4R,5R,7S,9R,9aR,12R)-3-hydroxy-4,7,9,12-tetramethyl-8-oxo-7-vinyldecahydro-4,9a-propanocyclopenta[8]annulen-5-yl 2-((2-(diethylamino)ethyl)thio)acetate fumarate
(3aR,4R,5R,7S,9R,9aR,12R)-3-hydroxy-4,7,9,12-tetramethyl-8-oxo-7-vinyldecahydro-4,9a-propanocyclopenta[8]annulen-5-yl 2-((2-(diethylamino)ethyl)thio)acetate fumarate