异氰酸

5-acetyl-2-(2-acetyl-1-amino-3-oxobut-1-enyl)-6-methylpyrimidine-4-carboxamide

2,3-二氨基喹喔啉

2-(2,6-dimethylpiperidin-1-yl)acetonitrile

1-nitrocyclohexane-1-carbonitrile