Supplier Page from Thermo Fisher Scientific for 1,5-Diazabicyclo[4.3.0]non-5-ene, 98%
2-Fluorobenzaldehyde, 97% from Thermo Fisher Scientific
2-Fluorobenzoic acid, 99% from Thermo Fisher Scientific
3-Fluorobenzoic acid, 99% from Thermo Fisher Scientific
Ethyl propiolate, 99% from Thermo Fisher Scientific