A chemical compound or alkaloid containing an azo linkage, potentially related to or derived from veronal (a barbiturate sedative).
From 'azo-' (containing the -N=N- group) + 'vernine' (possibly relating to veronal). The exact etymology is obscure; may be a historical chemical compound name that fell out of use.
Some chemical compound names fade into obscurity as better alternatives emerge—azovernine might be one such 'ghost term' that was important briefly but was replaced by safer or more effective compounds.
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