Supplier Page from Thermo Fisher Scientific for 4-Fluorobenzenesulfonyl chloride, 98%
2-Ethoxyethyl ether, 98+%, extra pure from Thermo Fisher Scientific
Ethyl butyrylacetate, 98% from Thermo Fisher Scientific
Ethyl phenylcyanoacetate, 97% from Thermo Fisher Scientific
Fluorescein, pure from Thermo Fisher Scientific