Supplier Page from Thermo Fisher Scientific for 1,2:5,6-Di-O-isopropylidene-D-mannitol, 97%
4-Ethylphenol, 97% from Thermo Fisher Scientific
9-Fluorenone, 99+% from Thermo Fisher Scientific
Ethyl propiolate, 99% from Thermo Fisher Scientific
Fluorescein, pure from Thermo Fisher Scientific