Supplier Page from Thermo Fisher Scientific for 15-Crown-5, 98%
1-Fluoro-4-nitrobenzene, 99% from Thermo Fisher Scientific
Ethyl 2-bromoisobutyrate, 98% from Thermo Fisher Scientific
Ethylenediaminetetraacetic acid, 99%, pure from Thermo Fisher Scientific
N-Ethylaniline, 98% from Thermo Fisher Scientific