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(+/-)-(1'α,4'aα,8'αβ)-3',4',4'a,5',6',7',8',8'a-octahydro-4,5',5',8'a-tetramethyl-2'-oxiranylspiro<3-cyclohexene-1,1'(2'H)-naphthalene>
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(2S,5'R,8'S,11'R,13'S,14'S)-13'-methyl-11'-vinyl-1',6',7',8',11',12',13',14',15',16'-decahydro-2'H-dispiro[oxirane-2,17'-cyclopenta[a]phenanthrene-3',2''-[1,3]dioxolan]-5'(4'H)-ol
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