Supplier Page from Thermo Fisher Scientific for 2,4,6-Trifluorobenzenesulfonyl chloride, 97%
2-Ethoxyethyl ether, 98+%, extra pure from Thermo Fisher Scientific
4-Ethylphenol, 97% from Thermo Fisher Scientific
9-Fluorenone, 99+% from Thermo Fisher Scientific
Ethyl 3-aminocrotonate, 98.5% from Thermo Fisher Scientific