Supplier Page from Thermo Fisher Scientific for 2,3-Dihydroxybenzoic acid, 99%
Esculin hydrate, 97% from Thermo Fisher Scientific
Ethyl 4-dimethylaminobenzoate, 99+% from Thermo Fisher Scientific
Ethyl L(-)-lactate, 97% from Thermo Fisher Scientific
Ethylenediamine, 99% from Thermo Fisher Scientific