Supplier Page from Thermo Fisher Scientific for 1-Bromo-3,5-bis(trifluoromethyl)benzene, 98%
Ethyl propiolate, 99% from Thermo Fisher Scientific
Glutaric dialdehyde, 25 wt.% solution in water from Thermo Fisher Scientific
Glyoxylic acid monohydrate, 98%, pure from Thermo Fisher Scientific