Supplier Page from Thermo Fisher Scientific for 1,3,6-Naphthalenetrisulfonic acid, sodium salt hydrate, mixture of isomers
2-Fluorobenzaldehyde, 97% from Thermo Fisher Scientific
4-Ethylresorcinol, 98% from Thermo Fisher Scientific
Ethyl trifluoroacetate, 99% from Thermo Fisher Scientific
Ethylbenzene, 99.8%, pure from Thermo Fisher Scientific