Supplier Page from Aladdin Scientific Corporation for Tris buffer salt solution
1-[2-(Trimethylsilyl)ethoxycarbonyloxy]pyrrolidin-2,5-dione from Aladdin Scientific Corporation
Acetic acid (glacial) 100% from Aladdin Scientific Corporation
N-Acetyl-D-penicillamine from Aladdin Scientific Corporation
N-Formyl-Nle-Leu-Phe-Nle-Tyr-Lys TFA from Aladdin Scientific Corporation