16512-03-1 3,5-Methano-2H-cyclopenta[b]furan-2-one, 6-bromohexahydro-, (3.alpha.,3a.beta.,5.alpha.,6.beta.,6a.beta.)- 3,5-Methano-2H-cyclopenta[b]furan-2-one, 6.alpha.-bromo-3.alpha.,3a.alpha.,4,5.alpha.,6,6a.alpha.-hexahydro- NSC98294