4-pyridineglycolonitrile, α-methyl

4-乙酰基-2-氰基吡啶

2,2-二甲基-4-氰基四氢吡喃-4-醇

2-hydroxynaphthalene-1-carbonitrile

5-(4-chlorophenyl)imidazolidine-2,4-dione