1,3-Diphenylpropenone (benzylideneacetophenone),
ArCH=CH(=O)Ar,
and its derivatives formed by substitution.
Source:
PAC, 1995, 67, 1307
(Glossary of class names of organic compounds and reactivity intermediates based on
structure (IUPAC Recommendations 1995))
on page 1327
