Supplier Page from Thermo Fisher Scientific for Diisopropanolamine, 98+%, sum of isomers
1-Ethynyl-1-cyclohexanol, 99+% from Thermo Fisher Scientific
Esculin hydrate, 97% from Thermo Fisher Scientific
Ethyl 3-aminobenzoate, methanesulfonic acid salt, 98% from Thermo Fisher Scientific
Ethyl acetoacetate, 99%, pure from Thermo Fisher Scientific