Supplier Page from Thermo Fisher Scientific for Lead(II) acetate, basic
8-Hydroxyquinoline, ACS reagent from Thermo Fisher Scientific
DL-Methionine, 99+% from Thermo Fisher Scientific
L(-)-Menthol, 99.5% from Thermo Fisher Scientific
trans-4-Hydroxy-L-proline, 99+% from Thermo Fisher Scientific