N-but-3-enyl-N-methylpenta-2,4-dienamide

3-oxo-3a,4,5,7a-tetrahydro-1H-2-benzofuran-4-carboxylic acid

N-[(1E)-丁-1,3-二烯基]-1-苯基巯基-甲酰胺

ethyl N-[(1E)-buta-1,3-dienyl]carbamate

penta-2,4-dienoyl chloride