Supplier Page from Thermo Fisher Scientific for 1-Phenyl-1H-pyrazole-4-carboxaldehyde, 98%
4'-Fluoroacetophenone, 99% from Thermo Fisher Scientific
Ethyl acetoacetate, 99%, pure from Thermo Fisher Scientific
Ethyl benzoate, 99+% from Thermo Fisher Scientific
Fluorescein, pure from Thermo Fisher Scientific