Supplier Page from Thermo Fisher Scientific for Coumarin 343, pure, laser grade
Hesperidin, 97%, includes analogeous compounds from Thermo Fisher Scientific
L-Serine methyl ester hydrochloride, 98% from Thermo Fisher Scientific
Sulfur trioxide pyridine complex, technical, 48-50% active SO3 from Thermo Fisher Scientific
trans-4-Hydroxy-L-proline, 99+% from Thermo Fisher Scientific