Carfentanil
Carfentanil or carfentanyl is an analog of the synthetic opioid analgesic fentanyl.[1] A unit of carfentanil is 100 times as potent as the same amount of fentanyl, 5,000 times as potent as a unit of heroin and 10,000 times as potent as a unit of morphine.[2]
The toxicity of carfentanil in humans and its ready commercial availability has aroused concerns over its potential use as a weapon of mass destruction by rogue nations and terrorist groups.[3]
https://en.wikipedia.org/wiki/Carfentanil
Detta kostar bara några hundra kronor per gram i Kina och är 10 000 gånger starkare än morfin, väldigt stor försiktighet måste iakttas med sådant.