88 Troparil, WIN 35,065-2, β-CPT 74163-84-1

Acetoxymethylketobemidone, O-AMKD 
878895-45-5
Acrylfentanyl 
82003-75-6    HCl: 79279-03-1
AH-7921 
55154-30-8
α-Methylfentanyl, «China White» 
79704-88-4
AP-238 
 4204-01-7 (racemic)    140924-11-4 (2R,6S enantiomer)
BDPC, Bromadol 
77239-98-6    70895-01-1 (HCl)
Bucinnazine, AP-237 
17719-89-0     17730-82-4 (HCl)
Butyrfentanyl, BF 
1169-70-6
Bromadoline, U-47931E 
67579-24-2
Brorphine 
2244737-98-0
Butonitazene
Clonitazene 
3861-76-5
Cyclopentylfentanyl, CP-F 
2088918-01-6
Cyclopropylfentanyl 
1169-68-2
Crotonylfentanyl 
760930-59-4
Desmethylprodine, MPPP 
13147-09-6
Desmethylmoramide1767-88-0
Diphenpipenol 
83374-54-3
Dipyanone 
60996-94-3