Supplier Page from Thermo Fisher Scientific for 3-Hydroxy-4-quinolinecarboxylic acid, 97%
4-Ethylaniline, 99+% from Thermo Fisher Scientific
4-Fluorobenzenesulfonyl chloride, 98% from Thermo Fisher Scientific
Ethyl cyanoacetate, 98+% from Thermo Fisher Scientific
Ethyl propiolate, 99% from Thermo Fisher Scientific