Supplier Page from Cayman Chemical for (±)-threo-3,4-Dichloromethylphenidate (hydrochloride)
(±)-Methadone (hydrochloride) from Cayman Chemical
4-methyl Fentanyl (hydrochloride) (exempt preparation) from Cayman Chemical
Escaline (hydrochloride) from Cayman Chemical
Senecioyl fentanyl from Cayman Chemical