Supplier Page from Cayman Chemical for Metonitazene-d3 (citrate)
4-fluoro MDMB-BUTINACA butanoic acid metabolite-d4 from Cayman Chemical
N-methyl Norfentanyl (hydrochloride) from Cayman Chemical
para-methyl Methoxyacetyl fentanyl (hydrochloride) from Cayman Chemical
Tapentadol-d3 (hydrochloride) (CRM) from Cayman Chemical