Supplier Page from Thermo Fisher Scientific for Erbium foil, 0.62mm (0.024in) thick, 99.9% (REO)
3-Fluorobenzoic acid, 99% from Thermo Fisher Scientific
Ethyl acrylate, 99.5%, stabilized from Thermo Fisher Scientific
Ethyl chloroacetate, 99% from Thermo Fisher Scientific
Ethyl oxalyl chloride, 98% from Thermo Fisher Scientific