Supplier Page from Thermo Fisher Scientific for Boron trifluoride, 12% (1.5M) in methanol
1-Ethylpiperidine, 99% from Thermo Fisher Scientific
4-Ethylphenol, 97% from Thermo Fisher Scientific
Ethyl chloroformate, 99% from Thermo Fisher Scientific
Ethylene carbonate, 99+% from Thermo Fisher Scientific