Supplier Page from Thermo Fisher Scientific for 1-Bromo-4-chloro-2-nitrobenzene, 98%
Ethyl 3-aminocrotonate, 98.5% from Thermo Fisher Scientific
Ethyl trifluoroacetate, 99% from Thermo Fisher Scientific
Fumaric acid, 99+% from Thermo Fisher Scientific
Glutaric dialdehyde, 25 wt.% solution in water from Thermo Fisher Scientific