Supplier Page from Thermo Fisher Scientific for Erbium rod, 6.35mm (0.25in) dia, 99.9% (metals basis excluding Ta)
2-Ethylaniline, 98% from Thermo Fisher Scientific
2-Fluorobenzoic acid, 99% from Thermo Fisher Scientific
Ethyl 2-oxocyclohexanecarboxylate, 95% from Thermo Fisher Scientific
Ethyl cyanoformate, 99% from Thermo Fisher Scientific