Supplier Page from Thermo Fisher Scientific for Potassium, AAS standard solution, Specpure:r, K 1000µg/mL
3-Fluorobenzoic acid, 99% from Thermo Fisher Scientific
3-Fluorobenzyl bromide, 95% from Thermo Fisher Scientific
Ethyl indole-2-carboxylate, 97% from Thermo Fisher Scientific
Flavone, 99+% from Thermo Fisher Scientific