Supplier Page from Thermo Fisher Scientific for p-Toluenesulfonic acid, pure, 12% in acetic acid
3-Fluoroaniline, 98% from Thermo Fisher Scientific
4-Fluorobenzyl chloride, 98% from Thermo Fisher Scientific
Ethyl 2-bromoisobutyrate, 98% from Thermo Fisher Scientific
Ethyl indole-2-carboxylate, 97% from Thermo Fisher Scientific