Supplier Page from Thermo Fisher Scientific for 2-Bromobutane, 98%
Ethyl 4,4,4-trifluoroacetoacetate, 97% from Thermo Fisher Scientific
Ethyl oxalyl chloride, 98% from Thermo Fisher Scientific
Fumaric acid, 99+% from Thermo Fisher Scientific
Furfuryl mercaptan, 97% from Thermo Fisher Scientific