Supplier Page from Thermo Fisher Scientific for Ethyl 4-chlorobutyrate, 97%
3-Fluorobenzoic acid, 99% from Thermo Fisher Scientific
Esculin hydrate, 97% from Thermo Fisher Scientific
Ethyl butyrate, 99% from Thermo Fisher Scientific
Ethyl isonipecotate, 98+% from Thermo Fisher Scientific