Supplier Page from Thermo Fisher Scientific for Ytterbium(III) oxide, REacton:r, 99.998% (REO)
2-Fluorobenzaldehyde, 97% from Thermo Fisher Scientific
4-Ethylresorcinol, 98% from Thermo Fisher Scientific
4-Fluoroanisole, 99% from Thermo Fisher Scientific
Ethyl phenylpropiolate, 98% from Thermo Fisher Scientific