Supplier Page from Thermo Fisher Scientific for 2,4-Dimethoxybenzaldehyde, 98%
Esculin hydrate, 97% from Thermo Fisher Scientific
Ethyl 2-oxocyclohexanecarboxylate, 95% from Thermo Fisher Scientific
Ethyl 4,4,4-trifluoroacetoacetate, 97% from Thermo Fisher Scientific
Fluorescein, pure from Thermo Fisher Scientific