3-[bis(methylsulfanyl)methylidene]hex-5-en-2-one

N-(4-methoxyphenyl)-N-prop-2-enylacetamide

2-hydroxy-2-methyl-1-phenylpent-4-en-1-one

3-hydroxy-3-phenylhex-5-en-2-one

tert-butyl N-(2-hydroxypent-4-enyl)carbamate