Supplier Page from Thermo Fisher Scientific for 1-Boc-piperazine, 99%
4'-Fluoroacetophenone, 99% from Thermo Fisher Scientific
Ethyl oxalyl chloride, 98% from Thermo Fisher Scientific
Ethyl phenylpropiolate, 98% from Thermo Fisher Scientific
Formaldehyde, 37 wt% sol. in water, stab. with 5-15% methanol from Thermo Fisher Scientific