Supplier Page from Thermo Fisher Scientific for 1,4-Dioxa-8-azaspiro[4.5]decane, 98%
3-Fluorobenzoic acid, 99% from Thermo Fisher Scientific
Ethylenediamine, 99% from Thermo Fisher Scientific
Ethyltriphenylphosphonium bromide, 98% from Thermo Fisher Scientific
Flavone, 99+% from Thermo Fisher Scientific