|Summary||Rare, little known and extremely potent analogue of Fentanyl developed by Janssen Pharmaceutica in the 1960s. Use with extreme caution and never mix with other depressants.|
|Dose||Insufflated Light: 10-25ug Common: 25-40ug Strong: 40-65ug+|
|Onset||Oral: 5-10 minutes. |
Insufflated: 0-1 minute.
|Duration||Oral: 3-4 hours. | Insufflated: 2-3 hours.|
|After-effects||Oral: 1-4 hours. | Insufflated: 1-2 hours.|