Supplier Page from Thermo Fisher Scientific for (+)-Diisopropyl L-tartrate, 98+%
Hesperidin, 97%, includes analogeous compounds from Thermo Fisher Scientific
L-Leucine methyl ester hydrochloride, 98% from Thermo Fisher Scientific
Melatonine, 99% from Thermo Fisher Scientific
trans-4-Hydroxy-L-proline, 99+% from Thermo Fisher Scientific