Nerve agent "Novichok" A-230,A-232,A-234,A-242 . Chemical and biochemical weapons 2014
Pitschmann V. Overall view on chemical and biochemical weapons . Toxins 2014 v 6, n 6, p 1761-1784 https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4073128/ full text https://www.mdpi.com/2072-6651/6/6/1761/htm