Supplier Page from Aladdin Scientific Corporation for Potassium phosphate buffer
DL-2,3-Diaminopropionic acid hydrochloride from Aladdin Scientific Corporation
L-threo-Phenylserine from Aladdin Scientific Corporation
pH Buffer Standard Solution(pH=4.01) from Aladdin Scientific Corporation
Tetrakis(trimethylsilyl)silane from Aladdin Scientific Corporation