Supplier Page from Thermo Fisher Scientific for Polyethyleneimine, branched, M.W. 50,000 - 100,000, 30% w/w aq. soln
4-Ethylaniline, 99+% from Thermo Fisher Scientific
Ethyl acrylate, 99.5%, stabilized from Thermo Fisher Scientific
Ethyl trifluoroacetate, 99% from Thermo Fisher Scientific
N-Ethylaniline, 98% from Thermo Fisher Scientific