N-[4-[(4-butan-2-ylphenyl)sulfonylamino]-3-hydroxyphenyl]-2-methylprop-2-enamide

methyl 4-methyl-3-oxopent-4-enoate

ethyl N-(2-methylprop-2-enoyl)carbamate

N,N-二乙基甲基丙烯酰胺

1-diethoxyphosphoryl-3-methylbut-3-en-2-one