Supplier Page from Aladdin Scientific Corporation for α-Endorphin human
(S)-1-Boc-3-(hydroxymethyl)piperidine from Aladdin Scientific Corporation
1H-Pyrrolo[3,2-d]pyrimidine-2,4(3H,5H)-dione from Aladdin Scientific Corporation
6-Amino-5-iodonicotinic acid from Aladdin Scientific Corporation
SH-PEG-COOH from Aladdin Scientific Corporation