diethyl 2-[acetyl(pent-4-enyl)amino]propanedioate

diethyl 2-[acetyl(pent-4-enyl)amino]-2-prop-1-enylpropanedioate

6-bromo-1-phenylhexan-1-one

2-methyl-1,2,5,6,7,8-hexahydropyrrolizin-3-one

2-hex-5-enyl-4,5-diphenyl-1,3-oxazole