(4-endo,6-exo)-(+-)-4,8,11,11-Tetramethyl-1-(phenylmethoxy)-6-(phenylthio)bicyclo(5.3.1)undec-7-en-3-one 1-Benzyloxy-4,8,11,11-tetramethyl-6-phenylthiobicyclo(5.3.1)undec-7-en-3-one 129720-17-8 BTPBU Bicyclo(5.3.1)undec-7-en-3-one, 4,8,11,11-tetramethyl-1-(phenylmethoxy)-6-(phenylthio)-, (4-endo,6-exo)-(+-)-