Supplier Page from Thermo Fisher Scientific for Perchloric acid, pure, 0.1M solution in acetic acid
Ethyl 3-aminobenzoate, 99+% from Thermo Fisher Scientific
Ethyl phenylpropiolate, 98% from Thermo Fisher Scientific
Ethyl trifluoroacetate, 99% from Thermo Fisher Scientific
Ethylenediamine, 99% from Thermo Fisher Scientific