cyanides

https://doi.org/10.1351/goldbook.C01486
Salts and $C$-organyl derivatives of hydrogen cyanide, $\ce{HC#N}$, e.g. $\ce{CH3C#N}$ methyl cyanide (acetonitrile), $\ce{NaCN}$ sodium cyanide, $\ce{PhC(=O)CN}$ benzoyl cyanide.
Source:
PAC, 1995, 67, 1307. (Glossary of class names of organic compounds and reactivity intermediates based on structure (IUPAC Recommendations 1995)) on page 1329 [Terms] [Paper]