Supplier Page from Thermo Fisher Scientific for 1-Butanol, 99.5%, for analysis
1-Ethylpiperidine, 99% from Thermo Fisher Scientific
2-Fluorobenzoic acid, 99% from Thermo Fisher Scientific
4-Fluorobenzenesulfonyl chloride, 98% from Thermo Fisher Scientific
Ethyl butyrylacetate, 98% from Thermo Fisher Scientific