Supplier Page from Cayman Chemical for MDMB-4en-PICA
Benzodioxole fentanyl-d5 (hydrochloride) from Cayman Chemical
meta-fluoro Valeryl fentanyl (hydrochloride) from Cayman Chemical
meta-Fluoroisobutyryl fentanyl (hydrochloride) (exempt preparation) from Cayman Chemical
MMB2201 from Cayman Chemical