Diethylthiambutene is an analgesic agent with an effect like that of morphine. Diethylthiambutene mainly used in veterinary. It is highly toxic to cats. Can cause convulsions if injected intravenously. Diethylthiambutene is a synthetic opioid drug. It is under international control according to the UN Single Convention 1961 and its amendments, schedule I.

Diethylthiambutene:
https://drugs.ncats.io/drug/2Z91X9052O

Diethylthiambutene:
An opiod pain reliever developed in the 1950's mainly used by veterinarians. Still used in Japan veterinary medicine.