Supplier Page from Aladdin Scientific Corporation for Phthaloyl-DL-alanine
(3-Ammoniopropyl)di-tert-butylphosphonium bis(tetrafluoroborate) from Aladdin Scientific Corporation
2-Methyl-2-phenylpropan-1-ol from Aladdin Scientific Corporation
SH-PEG-COOH from Aladdin Scientific Corporation
Zinc iodide from Aladdin Scientific Corporation