Organomagnesium halides,
RMgX,
having a carbon–magnesium bond (or their equilibrium mixtures in solution with
R2Mg
+
MgX2).
Source:
PAC, 1995, 67, 1307
(Glossary of class names of organic compounds and reactivity intermediates based on
structure (IUPAC Recommendations 1995))
on page 1338