isocyanides
The
isomerHN+≡C−
of hydrocyanic acid,
HC≡N,
and its
hydrocarbyl derivatives
RNC
(
RN+≡C−).
Source:
PAC, 1995, 67, 1307
(Glossary of class names of organic compounds and reactivity intermediates based on
structure (IUPAC Recommendations 1995))
on page 1344