编辑“︁Kolokol-1”︁（章节）

== 成分 ==
最初推测它是一种[[芬太尼]]衍生物3-甲基芬太尼溶解在吸入麻醉剂（作为溶剂）中制成的。<ref>Russia Confirms Suspicions About Gas Used in Raid, Washington Post, 31 October 2002.</ref>但随后对人质身着衣物和尿液的独立化验未发现芬太尼或3-甲基芬太尼，在这些样品里检出了另两种更加烈性，也更速效的药品：Carfentanil（卡芬太尼）和Remifentanil（雷米芬太尼）。<ref>Timperley, Christopher M.; et al. (November 2012). "Analysis of Clothing and Urine from Moscow Theatre Siege Casualties Reveals Carfentanil and Remifentanil Use". J Anal Toxicol (November/December 2012) 36 (9): 647-656. Oxford Journals. pp. 647–656. Retrieved 19 September 2015.</ref>