Supplier Page from Cayman Chemical for (±)-cis-3-methyl Butyryl fentanyl (hydrochloride)
4-methyl Fentanyl (hydrochloride) (exempt preparation) from Cayman Chemical
meta-Fluoroisobutyryl fentanyl (hydrochloride) (exempt preparation) from Cayman Chemical
N-(MDA) Fentanyl (hydrochloride) from Cayman Chemical
Trifluorometonitazene (citrate) from Cayman Chemical