Supplier Page from Cayman Chemical for UR-144
17α-Methyl-5α-androstan-17β-ol from Cayman Chemical
3,4-Methylenedioxy-α-Pyrrolidinopropiophenone (hydrochloride) from Cayman Chemical
N-isopropyl-N-methyl Methylone (hydrochloride) from Cayman Chemical
para-methyl Norfentanyl (hydrochloride) from Cayman Chemical