Supplier Page from Aladdin Scientific Corporation for Esculin
4-(Boc-amino)-N-Fmoc-L-phenylalanine from Aladdin Scientific Corporation
5β-Cholestan-3α-ol from Aladdin Scientific Corporation
Methyl 5-(dibromomethyl)picolinate from Aladdin Scientific Corporation
Tetraethylammonium hydroxide solution from Aladdin Scientific Corporation