42045-86-3 3-Methylfentanyl Good Effect
Fentanyl437-38-7 3-Methylbutyrfentanyl (3-MBF) 97605-09-9 3-Methylfentanyl42045-86-3 (4-fluorofentanyl, pFF) 90736-23-5 a-Methylfentanylalpha-Methylfentanyl)79704-88-4 Acetylfentanyl3258-84-2 Acrylfentanyl 82003-75-6 Benzoylfentanyl2309383-15-9 Butyrfentanyl 1169-70-6 Benzoylfentanyl2309383-15-9 Cyclopentylfentanyl2088918-01-6 Acrylfentanyl82003-75-679279-03-1 Furanylfentanyl (Fu-F)101345-66-8 3-Methylbutyrfentanyl (3-MBF) 97605-09-9 4-Fluorobutyrylfentanyl4-FBF244195-31-1 3-Methylfentanyl42045-86-3…