Supplier Page from Thermo Fisher Scientific for Hydrogen fluoride-pyridine, approx. 70% HF, approx. 30% Pyridine
Estrone, 99+% from Thermo Fisher Scientific
Ethyl phenylpropiolate, 98% from Thermo Fisher Scientific
Ethyl trifluoroacetate, 99% from Thermo Fisher Scientific
Fluorescein, pure from Thermo Fisher Scientific