2-hydroxy-2-pyridin-3-ylacetonitrile

1-甲基-5-硝基咪唑-2-甲腈

trifluoromethyl selenocyanate

5,5-bis(phenylmethoxymethyl)imidazolidine-2,4-dione

1-氰-N-甲基硫代甲酰胺