Supplier Page from Thermo Fisher Scientific for 2-(Trifluoromethyl)pyridine-4-carboxylic acid, 97%
Ergosterol, 98% from Thermo Fisher Scientific
Estrone, 99+% from Thermo Fisher Scientific
Ethyl chloroacetate, 99% from Thermo Fisher Scientific
Ethyl pyruvate, 98% from Thermo Fisher Scientific