Supplier Page from Thermo Fisher Scientific for Pyridine hydrobromide perbromide, tech. 90%
2-Ethyl-1,3-hexanediol, 99%, mixture of isomers from Thermo Fisher Scientific
5-Hydroxyindole-3-acetic acid, 99% from Thermo Fisher Scientific
Butyraldehyde, 99% from Thermo Fisher Scientific
Trimethyloxonium tetrafluoroborate, 95% from Thermo Fisher Scientific