Supplier Page from Thermo Fisher Scientific for Zinc slug, 6.35mm (0.25in) dia x 6.35mm (0.25in) length, Puratronic:r, 99.993% (metals basis)
3-Fluorobenzaldehyde, 98+% from Thermo Fisher Scientific
4-Ethylresorcinol, 98% from Thermo Fisher Scientific
4'-Fluoroacetophenone, 99% from Thermo Fisher Scientific
DL-Ethyl 2-bromopropionate, 99% from Thermo Fisher Scientific