Supplier Page from Thermo Fisher Scientific for 1-Chloromethyl-4-fluoro-1,4-diazoniabicyclo[2.2.2]octane bis(tetrafluoroborate), 96%
1-Fluoro-2-nitrobenzene, 99% from Thermo Fisher Scientific
2-Fluorobenzaldehyde, 97% from Thermo Fisher Scientific
Ethyl butyrate, 99% from Thermo Fisher Scientific