V-series nerve agents

V-se·ries nerve a·gents

(sēr'ēz nĕrv ā'jĕnts)
Persistent nerve agents synthesized after World War II (1939-1945) and assigned NATO codes beginning with V. The most familiar compound of this class is VX.
References in periodicals archive ?
The most important benefit was that it was effective against lewisite, G- and V-series nerve agents, and biological agents.
It was effective against all known chemical agents, including G- and V-series nerve agents, mustard gas, and biological agents.