Supplier Page from Thermo Fisher Scientific for Tetrabutylammonium hydroxide, 40 wt.% solution in methanol
2-Ethylhexanoic acid, 99% from Thermo Fisher Scientific
4-Ethylaniline, 99+% from Thermo Fisher Scientific
Ethyl 3-hydroxybutyrate, 99% from Thermo Fisher Scientific
Ethyl indole-2-carboxylate, 97% from Thermo Fisher Scientific