Supplier Page from Aladdin Scientific Corporation for Cephalin
Methyl 5-(dibromomethyl)picolinate from Aladdin Scientific Corporation
Methyl stearate from Aladdin Scientific Corporation
N,α-Diphenylbenzotriazolemethanamine, mixture of Bt1 and Bt2 isomers from Aladdin Scientific Corporation
Tetraethylammonium hydroxide solution from Aladdin Scientific Corporation