London used the poison “Novichok” in order to cause associations with Russia. Neither Russia nor the USSR has ever conducted research on the development of chemicals with the name “Novichok”.
The most probable source of origin of the poison used in the attack in the UK is Great Britain, Slovakia, Czech Republic or Sweden.
“The West is just trying to fool everyone and look away from what they did on their own in Syria and Iraq,”
No evidence given. The Russian MFA Spokesperson Zacharova repeats the unfounded allegations first aired by Sputnik without presenting any evidence. The Minister of Foreign Affairs of Sweden forcefully rejected her statements, and so did the competent authority on the topic in Sweden (the Swedish Defence Research Agency). https://www.svt.se/nyheter/utrikes/ryssland-giftet-som-anvandes-mot-skripal-kan-ha-kommit-fran-sverige Later on, the Russian ambassador to Sweden stated that it was "a guess" without any facts supporting it https://www.svt.se/nyheter/utrikes/ambassadoren-backar-efter-giftutspel
Also the Czech Foreign Minister Martin Stropnicky on Saturday denied Moscow's accusation that the nerve toxin used against a former Russian double agent and his daughter in southern England came from the Czech Republic. https://mobile.reuters.com/article/amp/idUSKCN1GT0ML?__twitter_impression=true
The nerve agent has been identified as Novichok (which means newcomer in Russian). It is known to be more powerful than VX and was developed in Russia in the 1970s and 1980s https://www.voanews.com/a/british-prime-minister-russia-poisoning-spy/4294683.html It's so unusual, that very few scientists outside of Russia have any real experience in dealing with it and no country outside of Russia is known to have developed the substance https://edition.cnn.com/2018/03/13/europe/what-is-novichok-nerve-agent-intl/index.html
In its statement, the European Union expressed shock at the offensive use of any military-grade nerve agent, of a type developed by Russia, for the first time on European soil in over 70 years. http://www.consilium.europa.eu/en/press/press-releases/2018/03/19/statement-by-the-foreign-affairs-council-on-the-salisbury-attack/