Supplier Page from Thermo Fisher Scientific for Coumarin 343, pure, laser grade
2-Fluorobenzaldehyde, 97% from Thermo Fisher Scientific
9-Fluorenone, 99+% from Thermo Fisher Scientific
DL-Ethyl 2-bromopropionate, 99% from Thermo Fisher Scientific
Ethyl propiolate, 99% from Thermo Fisher Scientific