9,19-Cyclo-5a,9b-ergost-24(28)-en-3-one, 4a,14-dimethyl- (7CI,8CI); Cycloeucalenone (6CI);3H,19H-Cyclopropa[9,10]cyclopenta[a]phenanthrene,9,19-cycloergost-24(28)-en-3-one deriv.
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