Eric Walker removed "Perfluorocarbons" from Fluorocarbons

Eric Walker added "Perfluorocarbons (PFCs)" to Fluorocarbons

Eric Walker reordered the synonyms for Fluorocarbons

Eric Walker added "Fluorocarbons" to Perfluorocarbons

Eric Walker added Perfluorocarbons to Fluorine

Eric Walker added Fluorochemicals to Fluorine

Eric Walker added Fluorine to Chemical elements