Supplier Page from Thermo Fisher Scientific for Niobium slug, 3.175mm (0.125in) dia x 3.175mm (0.125in) length, 99.95% (metals basis excluding Ta)
1-Ethynyl-1-cyclohexanol, 99+% from Thermo Fisher Scientific
Ethyl benzoate, 99+% from Thermo Fisher Scientific
Ethyl trifluoroacetate, 99% from Thermo Fisher Scientific
Fluorobenzene, 99% from Thermo Fisher Scientific