Supplier Page from Thermo Fisher Scientific for N-Fmoc-D-proline, 98+%, may cont. up to ca 5% water
4'-Fluoroacetophenone, 99% from Thermo Fisher Scientific
9-Fluorenone, 99+% from Thermo Fisher Scientific
Ethyl 3-aminobenzoate, 99+% from Thermo Fisher Scientific
Ethyl phenylcyanoacetate, 97% from Thermo Fisher Scientific