Supplier Page from Thermo Fisher Scientific for Citric acid, diammonium salt, 98%, pure
3-Fluorobenzaldehyde, 98+% from Thermo Fisher Scientific
Esculin hydrate, 97% from Thermo Fisher Scientific
Ethyl vinyl ether, 99%, stabilized from Thermo Fisher Scientific
N-Ethylaniline, 98% from Thermo Fisher Scientific