4-hydroxy-6-methyl-2-oxopyran-3-carbonitrile

4-hydroxy-6-nitro-2-oxochromene-3-carbonitrile

2-甲基-8-(苯基甲氧基)咪唑并[1,2-a]吡啶-3-乙腈

4-氯-3-甲基丁腈

β-Methylglutaronitrile