Supplier Page from Aladdin Scientific Corporation for Potassium phosphate buffer
4-Amino-L-phenylalanine, HCl from Aladdin Scientific Corporation
4-Nitrophenyl α-D-Glucuronide from Aladdin Scientific Corporation
4-Nitrophenyl α-L-rhamnopyranoside from Aladdin Scientific Corporation
Acetic acid (glacial) 100% from Aladdin Scientific Corporation