1-甲酰基环丙烷羧酸乙酯

Ethyl cyano(tetrahydro-4H-pyran-4-ylidene)acetate

2-cyano-N-(4-phenyl-1,3-thiazol-2-yl)acetamide

5-ethyl-4,5-dimethyl-2-oxofuran-3-carbonitrile

ethyl 2-cyano-2-cyclohexylacetate