Cyclopentyl-Fentanyl

Also known as: cp-f, cpf

opioid tentative research-chemical depressant habit-forming

An analogue of fentanyl that is unknown in literature, seems to be less potent than its former being Acetyl-Fentanyl. Yet reports have yet to surface. Be careful.

Cyclopentyl-Fentanyl

Dosage

Duration