Piperidylthiambutene
Piperidylthiambutene is an opioid analgesic drug from the thiambutene family, which has around the same potency as morphine. If sold or obtained for the purpose of human consumption it could be considered a controlled substance analogue in some countries such as the US, Australia and New Zealand. Piperidylthiambutene has been sold as a designer drug, first appearing in late 2018.