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"As far back as 1998, we looked though a regular edition of the spectral database released by the US National Bureau of Standards, which has spectral data on about 300,000 compounds and is regularly updated, to find an agent that caught our attention as it was an organophosphorate chemical. We understood that it must have a lethal effect. Now it has turned out that, judging by the name of that agent, it was Novichok A234. It has surfaced." said Igor Rybalchenko, [1] chief of the Russian defense ministry’s chemical laboratory, on 25 March 2018. [2] [3]

More info (according to Igor Rybalchenko, cited from Sputnik):

Name: the substance was added to the [NIST] database by a member of the US Army Armament Research and Development Center. "The most interesting detail in this story is in the following versions of the [SRD] database, which usually only expand, they are constantly replenished, more and more substances, we did not find this record. And I can't explain where is it now," Rybalchenko said. He suggested that it was a heavy and volatile substance, judging by its molecular formula and its molecular weight. "I affirm that it exactly corresponds to the formula published by Vil Mirzayanov. The chemical name of this substance is A-234 and was named "Novichok" by Boris Johnson, as a substance available in the Porton Down laboratory”

Usage: Noted for its strong lethal effect. "Everything depends on the dose and on the method of application. This substance can be applied on the skin, by spraying in the form of an aerosol, let's say, from a can, by adding it to food. It depends on the type of application and the dosage, lesions may be of different kinds of severity"

Skripal case: The Russian side cannot make any conclusions as it still hasn't received the samples from the UK that Moscow had requested.

Antidote: "All that we know is that all substances of this class are very difficult to overcome in case of injuries, and the antidote therapy will hardly bring about the desired effect" Wakari07 ( talk) 15:09, 27 March 2018 (UTC) reply

The Russian Ministry of Foreign Affairs published an aide-memoire document on 21 March 2018 summarizing its version of the incident, denying Russian involvement and questioning the medical treatment of Skripals. ^[1] Wakari07 ( talk) 19:43, 27 March 2018 (UTC) reply