Spiro[androst-4-ene-17,2'(3'H)-furan]-3-one,4',5'-dihydro-11b-hydroxy-7a-mercapto-, 7-acetate (7CI);Spiro[17H-cyclopenta[a]phenanthrene-17,2'(3'H)-furan],spiro[androst-4-ene-17,2'(3'H)-furan]-3-one deriv.
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