Supplier Page from Thermo Fisher Scientific for 2,4-Difluorophenylglyoxal hydrate, 95%, dry wt. basis
4-Ethylresorcinol, 98% from Thermo Fisher Scientific
Ethyl benzoate, 99+% from Thermo Fisher Scientific
Ethylmercurithiosalicylic acid, sodium salt, 97.0-101.0% from Thermo Fisher Scientific
Fluorescein, pure from Thermo Fisher Scientific