Supplier Page from Thermo Fisher Scientific for (3-Aminopropyl)phosphonic acid, 97%
4-Fluorobenzenesulfonyl chloride, 98% from Thermo Fisher Scientific
9-Fluorenone, 99+% from Thermo Fisher Scientific
Dulcitol, 99+% from Thermo Fisher Scientific
Ethyl 4-dimethylaminobenzoate, 99+% from Thermo Fisher Scientific