Supplier Page from Thermo Fisher Scientific for Tetra-n-butylammonium tribromide, 98+%
Ethyl 4-bromocrotonate, 75%, tech from Thermo Fisher Scientific
Ethyl chloroacetate, 99% from Thermo Fisher Scientific
Ethyl propiolate, 99% from Thermo Fisher Scientific
Iron(III) acetylacetonate, 99+% from Thermo Fisher Scientific