Novichok: What Do We Know?

Four key questions about the substances collectively known as Novichok, how they are produced, and tracking possibilities The poisoning of double agent Sergei Skripal and his daughter and ... ... compared to that of the VX agents. Nevertheless, as previously reported, in April 2011 the Scientific Advisory Board at the OPCW reviewed the alleged Novichok agents whose structures had been included in Mirzayanov’s book and claimed to have toxicity ...