Supplier Page from Thermo Fisher Scientific for Tetrabromophenolphthalein ethyl ester, potassium salt, pure, indicator grade
3-Fluorobenzoic acid, 99% from Thermo Fisher Scientific
Ethyl bromopyruvate, 80-85% from Thermo Fisher Scientific
Ethyl carbazate, 97% from Thermo Fisher Scientific
Ethyl propiolate, 99% from Thermo Fisher Scientific