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(2007/10/03)8a-allyl-6-(tert-butyl-dimethyl-silanyloxy)-4-(tert-butyl-diphenyl-silanyloxy)-8-dimethylamino-2-(toluene-4-sulfonyl)-3,4,4a,5,8,8a-hexahydro-2H-isoquinolin-1-one
3-allyl-5-(tert-butyl-diphenyl-silanyloxy)-1-(toluene-4-sulfonyl)-5,6-dihydro-1H-pyridin-2-one
5-(tert-butyl-diphenyl-silanyloxy)-3-iodo-1-(toluene-4-sulfonyl)-5,6-dihydro-1H-pyridin-2-one
5-(tert-butyl-diphenyl-silanyloxy)-1-(toluene-4-sulfonyl)-piperidin-2-one
5-(tert-butyl-diphenyl-silanyloxy)-1-(toluene-4-sulfonyl)-5,6-dihydro-1H-pyridin-2-one