Supplier Page from Thermo Fisher Scientific for 2,5-Dimethoxybenzaldehyde, 97%
3-Fluorobenzoic acid, 99% from Thermo Fisher Scientific
Ethylenediamine, 99% from Thermo Fisher Scientific
Ethyltriphenylphosphonium bromide, 98% from Thermo Fisher Scientific
Fluorescein, pure from Thermo Fisher Scientific