Condensation products,
R2C=NN=CR2,
of two moles of a carbonyl compound with one
mole of
hydrazine (This term should not be confused with the ending -azine appearing in Hantzsch-Widman
names for some heterocycles).
Source:
PAC, 1995, 67, 1307
(Glossary of class names of organic compounds and reactivity intermediates based on
structure (IUPAC Recommendations 1995))
on page 1321
