Supplier Page from Thermo Fisher Scientific for 2,3,4-Trihydroxybenzaldehyde, 98%
9-Fluorenone, 99+% from Thermo Fisher Scientific
Eicosanoic acid, 98% from Thermo Fisher Scientific
Ethyl oxalyl chloride, 98% from Thermo Fisher Scientific
Ethylenediaminetetraacetic acid, tetrasodium salt hydrate, 98%, pure from Thermo Fisher Scientific