V-sub x, also known as GD-7, is an organophosphate nerve agent of the V-series,[1] the phosphonate analog of the organophosphate insecticide demeton.[2][3] EA-5478 is the pinacolyl analogue.
^Ledgard J. A laboratory history of chemical warfare agents (2nd, 2006). pp 230-233. ISBN978-0-6151-3645-5
^Kulieva AM, Dalimov DN, Dorenskaya GM, et al. Biochemical investigation of cholinesterases and carboxylesterases from the cotton bollworm Heliothis armigera. Chem Nat Compd 1994 Jan; 30(1): 116-120. Kulieva, A. M; Dalimov, D. N; Dorenskaya, G. M; Charieva, O. V; Rozengart, V. I; Kugusheva, L. I; Moralev, S. N; Babaev, B. N; Abduvakhabov, A. A (1994). "Biochemical investigation of cholinesterases and carboxylesterases from the cotton bollworm Heliothis armigera". Chemistry of Natural Compounds. 30: 116–120. doi:10.1007/BF00638435. S2CID20331774.