Butyrfentanyl (butyryl fentanyl) is an opioid analgesic drug that is analog to fentanyl. Butyryl fentanyl is an opioid medication. As a note on this product, we are a licensed pharmaceutical exporter. Simply put, this is the best and most pure Acetylfentanyl 99.9% you are going to get.
Where To Buy Butyrfentanyl Online
This product is intended to be used as an analytical reference standard. Bulk material is available for academic research at qualified institutions; please contact our sales department for pricing.