Supplier Page from Thermo Fisher Scientific for Ethyl acetoacetate, 99%, pure
Esculin hydrate, 97% from Thermo Fisher Scientific
Ethyl 2-mercaptoacetate, 99% from Thermo Fisher Scientific
Ethyl propiolate, 99% from Thermo Fisher Scientific
Ethyl trifluoroacetate, 99% from Thermo Fisher Scientific