Supplier Page from Thermo Fisher Scientific for 12-Crown-4, 98%
2-Fluorobenzaldehyde, 97% from Thermo Fisher Scientific
Ethyl cyanoformate, 99% from Thermo Fisher Scientific
Ethylenediaminetetraacetic acid, tetrasodium salt hydrate, 98%, pure from Thermo Fisher Scientific
Eugenol, 99% from Thermo Fisher Scientific