N-(2-溴-5-硝基苯基)乙酰胺

methyl 2-(diacetylamino)-3-methoxyprop-2-enoate

methyl 2-(diacetylamino)-3-phenylsulfanylprop-2-enoate

2-acetamido-N,N,3-trimethylbut-2-enamide

2-(diacetylamino)-N,N,3-trimethylbut-2-enamide