Supplier Page from Aladdin Scientific Corporation for L-Aspartic acid
4-Amino-L-phenylalanine, HCl from Aladdin Scientific Corporation
5-Bromo-3-iodo-1-triisopropylsilanyl-1h-pyrrolo[2,3-b]pyridine from Aladdin Scientific Corporation
Cefotetan from Aladdin Scientific Corporation
Trifluoroacetic acid - Triethylamine 2M:2M solution from Aladdin Scientific Corporation