3-ethenyl-3-triethylsilyloxypent-4-en-1-ol

deca-1,3,7,9-tetraen-3-yloxy(triethyl)silane

(2S,3R)-N-(3',4'-dimethylphenyl)-1-aminopent-4-en-2,3-diol

2,3-dihydroxyprop-2-enal