Supplier Page from Thermo Fisher Scientific for (R)-(+)-3-Butyn-2-ol, 98%, 98% ee
2-Fluorobenzaldehyde, 97% from Thermo Fisher Scientific
Ethyl 4-dimethylaminobenzoate, 99+% from Thermo Fisher Scientific
Ethyl phenylpropiolate, 98% from Thermo Fisher Scientific
meso-Erythritol, 99% from Thermo Fisher Scientific