Supplier Page from Thermo Fisher Scientific for 1,2,4,5-Benzenetetracarboxylic acid, 96%
2-Ethoxybenzamide, 97% from Thermo Fisher Scientific
2-Fluorobenzoic acid, 99% from Thermo Fisher Scientific
4-Ethylresorcinol, 98% from Thermo Fisher Scientific
4-Fluorobenzenesulfonyl chloride, 98% from Thermo Fisher Scientific