Supplier Page from Thermo Fisher Scientific for 3,5-Diaminobenzoic acid, 98%, may contain up to 3% moisture
3-Fluorobenzaldehyde, 98+% from Thermo Fisher Scientific
Ethyl 4,4,4-trifluoroacetoacetate, 97% from Thermo Fisher Scientific
Ethyl propiolate, 99% from Thermo Fisher Scientific
Fluorescein isothiocyanate isomer I, 90%, pure from Thermo Fisher Scientific