Dimethylthiambutene
Dimethylthiambutene (N,N-Dimethyl-1-methyl-3,3-di-2-thienylallylamine, Dimethibutin, Ohton) is an opioid analgesic drug. It is now under international control under Schedule I of the UN Single Convention On Narcotic Drugs 1961, presumably due to high abuse potential, although little more information is available.