Supplier Page from Thermo Fisher Scientific for µa-Naphtholphthalein
18-beta-Glycyrrhetinic acid, 98+% from Thermo Fisher Scientific
Diethyl carbonate, 99% from Thermo Fisher Scientific
Ethyl chrysanthemate, 95%, mixture of cis and trans from Thermo Fisher Scientific
Fumaric acid, 99+% from Thermo Fisher Scientific