6168-64-5 Isoacoron Isoacorone Isoacorone, (-)- NSC147746 Spiro[4,5]decane-2,7-dione, 1-isopropyl-4,8-dimethyl-, (1R,4S,5S,8S)-(-)- Spiro[4.5]decane-2,7-dione, 4,8-dimethyl-1-(1-methylethyl)-, [1R-(1.alpha.,4.beta.,5.beta.,8S*)]-