Supplier Page from Thermo Fisher Scientific for 2,3-Dimethoxycinnamic acid, predominantly trans, 98+%
1-Fluoro-2-nitrobenzene, 99% from Thermo Fisher Scientific
Ethyl propiolate, 99% from Thermo Fisher Scientific
Eugenol, 99% from Thermo Fisher Scientific
Fluorescein, pure from Thermo Fisher Scientific