1-Benzyloxy-8,11,11-trimethyl-6-phenylthiobicyclo(5.3.1)undec-7-en-3-one 1-Btptbu 133536-28-4 Bicyclo(5.3.1)undec-7-en-3-one, 8.11.11-trimethyl-1-(phenylmethoxy)-6-(phenylthio)-, (1R*,6S*)-(+-)-