(c) O-Alkyl (H or equal to or less than C10, including cycloalkyl) S-2-dialkyl (Methyl, Ethyl, n-Propyl or Isopropyl)-aminoethyl alkyl (Methyl, Ethyl, n-Propyl or Isopropyl) phosphonothiolates and corresponding alkylated or protonated salts, e.g., VX: O-Ethyl S-2-diisopropylaminoethyl methyl phosphonothiolate, (CAS 50782-69-9);
c) alkyl(Me, Et, n-Pr ou i-Pr)phosphonothioates de O-alkyle (H ou égal ou inférieur à C10, y compris cycloalkyle) et de S-2-dialkyl(Me, Et, n-Pr ou i-Pr)aminoéthyle et les sels alkylés ou protonés correspondants, p. ex. VX : méthylphosphonothioate de O-éthyle et de S-2-diisopropylaminoéthyle (CAS 50782-69-9);