Supplier Page from Thermo Fisher Scientific for 1-Boc-indole, 97%
4-Fluorobenzenesulfonyl chloride, 98% from Thermo Fisher Scientific
Ethyl propiolate, 99% from Thermo Fisher Scientific
Ethyl pyruvate, 98% from Thermo Fisher Scientific
Ethylenediaminetetraacetic acid, 99%, pure from Thermo Fisher Scientific