Supplier Page from Thermo Fisher Scientific for 2,2,3,3-d(4)-3-(Trimethylsilyl)propionic acid sodium salt, 98+ atom % D
4-Ethylresorcinol, 98% from Thermo Fisher Scientific
Ethyl 4-dimethylaminobenzoate, 99+% from Thermo Fisher Scientific
Ethyl dichlorophosphate, 97% from Thermo Fisher Scientific
Ethyl indole-2-carboxylate, 97% from Thermo Fisher Scientific