Supplier Page from Thermo Fisher Scientific for 3-Isopropoxy-4-(tri-n-butylstannyl)-3-cyclobutene-1,2-dione, 97%
1-Fluoro-4-nitrobenzene, 99% from Thermo Fisher Scientific
3-Fluorobenzoic acid, 99% from Thermo Fisher Scientific
4-Fluoroaniline, 98% from Thermo Fisher Scientific
Ethylcyclohexane, 99+% from Thermo Fisher Scientific