Supplier Page from Thermo Fisher Scientific for 2,4-Dihydroxybenzoic acid, 97%
Ethyl 4-bromocrotonate, 75%, tech from Thermo Fisher Scientific
Ethyl butyrate, 99% from Thermo Fisher Scientific
Ethyl phenylpropiolate, 98% from Thermo Fisher Scientific
Fluorescein isothiocyanate isomer I, 90%, pure from Thermo Fisher Scientific