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C07J21/00—Normal steroids containing carbon, hydrogen, halogen or oxygen having an oxygen-containing hetero ring spiro-condensed with the cyclopenta(a)hydrophenanthrene skeleton
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AT791575A1974-10-311975-10-17Verfahren zur herstellung von neuen 16- (5'-spiro-1',3'-dioxanyl)-steroiden
ATA791575A
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