Supplier Page from Cayman Chemical for MDMB-BUTINACA butanoic acid metabolite
(±)-cis-3-methyl Norfentanyl from Cayman Chemical
ALEPH-4 from Cayman Chemical
Butyryl fentanyl (hydrochloride) (CRM) from Cayman Chemical
Despropionyl Carfentanil from Cayman Chemical