Supplier Page from Aladdin Scientific Corporation for Potassium phosphate buffer
4-Amino-L-phenylalanine, HCl from Aladdin Scientific Corporation
Fmoc-Cys(tBu)-OH from Aladdin Scientific Corporation
Marbofloxacin-d8 from Aladdin Scientific Corporation
Sulfo DBCO-PEG3-acid from Aladdin Scientific Corporation