HETEROCYCLIC COMPOUNDS ONLY WITH NITROGEN HETERO ATOM(S): - COMPOUNDS CONTAINING IN THE STRUCTURE AN UNCONDENSED PYRAZOLE RING (HYDROGENATED OR NON-HYDROGENATED): - - PHENAZONE (ANTIPYRINE) AND ITS DERIVATIVES: - - - OTHERS
HETEROCYCLIC COMPOUNDS ONLY WITH NITROGEN HETERO ATOM(S): - COMPOUNDS CONTAINING IN THE STRUCTURE AN UNCONDENSED PYRAZOLE RING (HYDROGENATED OR NON-HYDROGENATED): - - PHENAZONE (ANTIPYRINE) AND ITS DERIVATIVES: - - - OTHERS