The Drug Enforcement Administration issued a notice of intent to temporarily schedule the synthetic opioid, N-(4-fluorophenyl)-N-(1-phenethylpiperidin-4-yl)isobutyramide (4-fluoroisobutyryl fentanyl or para-fluoroisobutyryl fentanyl), into Schedule I under the temporary scheduling provisions of the Controlled Substances Act (82 Fed. Reg. 14842; March 23, 2017). The action is based... Read More