Supplier Page from Thermo Fisher Scientific for Paraformaldehyde, 90%, pure
4-Ethylresorcinol, 98% from Thermo Fisher Scientific
Ethyl 2-oxocyclohexanecarboxylate, 95% from Thermo Fisher Scientific
Ethyl isonipecotate, 98+% from Thermo Fisher Scientific
Fluorescein, pure from Thermo Fisher Scientific