Supplier Page from Thermo Fisher Scientific for 5-Norbornene-2-carboxylic acid, 98%, mixture of isomers
2-Ethoxyethyl ether, 98+%, extra pure from Thermo Fisher Scientific
4-Ethylresorcinol, 98% from Thermo Fisher Scientific
4-Fluorobenzyl chloride, 98% from Thermo Fisher Scientific
Esculin hydrate, 97% from Thermo Fisher Scientific