Supplier Page from Thermo Fisher Scientific for Piperazine, 99%, extra pure
2-Ethoxybenzamide, 97% from Thermo Fisher Scientific
4-Fluorobenzenesulfonyl chloride, 98% from Thermo Fisher Scientific
Ethyl pyruvate, 98% from Thermo Fisher Scientific
Ethylbenzene, 99.8%, pure from Thermo Fisher Scientific