(3aS,5aS,9aR)-9a-propylhexahydro-5H-furo[2,3-b]pyrrolo[1,2-d][1,4]oxazin-2(1H)-one

(R)-5-Pent-4-enyl-pyrrolidin-2-one

(+)-trans-5-allylhexahydroindolizidin-3-one

(R)-8,8a-Dihydro-7H-indolizin-3-one

(Z)-3-Bromo-1-(3,4-dihydro-2H-pyridin-1-yl)-propenone