Supplier Page from Thermo Fisher Scientific for µa-Naphtholphthalein
18-beta-Glycyrrhetinic acid, 98+% from Thermo Fisher Scientific
5-Hydroxyindole-3-acetic acid, 99% from Thermo Fisher Scientific
Semicarbazide hydrochloride, 99+% from Thermo Fisher Scientific
Trimethyloxonium tetrafluoroborate, 95% from Thermo Fisher Scientific