Supplier Page from Thermo Fisher Scientific for Triethyloxonium tetrafluoroborate, 95%, stab. with 3-5% diethyl ether
2-Fluorobenzaldehyde, 97% from Thermo Fisher Scientific
Ethanethiol, 99+% from Thermo Fisher Scientific
Ethyl 4-chlorobutyrate, 97% from Thermo Fisher Scientific