Supplier Page from Thermo Fisher Scientific for 2,3,4-Trihydroxybenzaldehyde, 98%
Ethyl phenylpropiolate, 98% from Thermo Fisher Scientific
Ethylenediaminetetraacetic acid, tetrasodium salt hydrate, 98%, pure from Thermo Fisher Scientific
Formamidinesulfinic acid, 99% from Thermo Fisher Scientific
N-Ethylaniline, 98% from Thermo Fisher Scientific