Supplier Page from Thermo Fisher Scientific for 5-Bromothiophene-2-carboxylic acid hydrazide, 97%
2-Fluoroaniline, 99+% from Thermo Fisher Scientific
4-Ethylphenol, 97% from Thermo Fisher Scientific
Ethyl phenylpropiolate, 98% from Thermo Fisher Scientific
Ethylenediamine, 99% from Thermo Fisher Scientific