Supplier Page from Thermo Fisher Scientific for D(-)-Penicillamine, 99%, specified according to Ph.Eur. and USP
4-Fluoroaniline, 98% from Thermo Fisher Scientific
Esculin hydrate, 97% from Thermo Fisher Scientific
Ethyl 2-bromoisobutyrate, 98% from Thermo Fisher Scientific
Eugenol, 99% from Thermo Fisher Scientific