Tetra(hydrocarbyl)ethane-1,2-
diols,
R2C(OH)–(OH)R2
,
of which the tetramethyl example is the simplest one and is itself commonly known
as pinacol (benzpinacol is the tetraphenyl analogue).
Source:
PAC, 1995, 67, 1307
(Glossary of class names of organic compounds and reactivity intermediates based on
structure (IUPAC Recommendations 1995))
on page 1359