Supplier Page from Thermo Fisher Scientific for Cobalt foil, 0.1mm (0.004in) thick, 99.95% (metals basis)
2-Ethylaniline, 98% from Thermo Fisher Scientific
4-Fluoroanisole, 99% from Thermo Fisher Scientific
4-Fluorobenzenesulfonyl chloride, 98% from Thermo Fisher Scientific
Ethyl 4-bromocrotonate, 75%, tech from Thermo Fisher Scientific