Supplier Page from Thermo Fisher Scientific for Boron tribromide, 1M solution in methylene chloride
Epichlorohydrin, 99% from Thermo Fisher Scientific
Esculin hydrate, 97% from Thermo Fisher Scientific
Ethyl isonipecotate, 98+% from Thermo Fisher Scientific
Ethyl pyruvate, 98% from Thermo Fisher Scientific