Supplier Page from Thermo Fisher Scientific for Di-n-butyltin bis(2,4-pentanedionate), 95%
8-Hydroxyquinoline, ACS reagent from Thermo Fisher Scientific
DL-Menthol, 99% from Thermo Fisher Scientific
L(-)-Menthol, 99.5% from Thermo Fisher Scientific
L-Leucine methyl ester hydrochloride, 98% from Thermo Fisher Scientific