Supplier Page from Thermo Fisher Scientific for Brucine sulfate heptahydrate, 98+%, ACS reagent
4-Isopropylbenzoic acid, 98+% from Thermo Fisher Scientific
Acetylenedicarboxylic acid, 98% from Thermo Fisher Scientific
Melatonine, 99% from Thermo Fisher Scientific
Trimethyloxonium tetrafluoroborate, 95% from Thermo Fisher Scientific