Supplier Page from Thermo Fisher Scientific for (-)-1,2-Bis[(2R,5R)-2,5-dimethylphospholano]ethane(1,5-cyclooctadiene)rhodium(I) trifluoromethanesulfonate, 97%
1-Fluoro-4-nitrobenzene, 99% from Thermo Fisher Scientific
Ethyl acetoacetate, 99%, pure from Thermo Fisher Scientific
Ethyl chloroacetate, 99% from Thermo Fisher Scientific
Ethyl cyanoacetate, 98+% from Thermo Fisher Scientific