5-methyl-2-oxooxolane-3-carbonitrile

2-氰基-3-亚氨基-戊烷二酸二乙酯

ethyl 1-cyano-2-ethenylcyclopropane-1-carboxylate

2-氰基-3-苯基-丙酸乙酯

ethyl 2-benzyl-2-cyano-3-phenylpropanoate