Supplier Page from Thermo Fisher Scientific for Tri-n-butyltin methoxide, 97%
8-Hydroxyquinoline, ACS reagent from Thermo Fisher Scientific
D-Cystine, 98% from Thermo Fisher Scientific
L(+)-Lysine monohydrochloride, 99% from Thermo Fisher Scientific
trans-4-Hydroxy-L-proline, 99+% from Thermo Fisher Scientific