Supplier Page from Cayman Chemical for β-hydroxy Fentanyl (hydrochloride) (exempt preparation)
γ-Valerolactone from Cayman Chemical
(−)-Apomorphine (hydrochloride) from Cayman Chemical
2-Amino-5-nitrobenzophenone from Cayman Chemical
ortho-Fluoroisobutyryl fentanyl (hydrochloride) from Cayman Chemical