Supplier Page from Thermo Fisher Scientific for 2,5-Diaminopyridine dihydrochloride, 97%
4-Fluoroaniline, 98% from Thermo Fisher Scientific
Ethyl acetoacetate, 99%, pure from Thermo Fisher Scientific
Ethyl bromopyruvate, 80-85% from Thermo Fisher Scientific
Ethyl oxalyl chloride, 98% from Thermo Fisher Scientific