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)
2-Ethylaniline, 98% from Thermo Fisher Scientific
3-Fluoroaniline, 98% from Thermo Fisher Scientific
Eicosanoic acid, 98% from Thermo Fisher Scientific
Ethyl 3-aminobenzoate, 99+% from Thermo Fisher Scientific