SEARCH Articles Figures Tables Carboxyl anhydride Carboxylic acid anhydrides Carboxylic acids acid anhydrides Carboxylic anhydrides Trifluoromethanesulfonate anhydride Trifluoromethanesulfonic acid Trifluoromethanesulfonic acid anhydride Trifluoromethanesulfonic anhydride Trifluoromethanesulfonic anhydride trifluoromethanesulfonate Trifluoromethanesulfonic carboxylic anhydrides