O=S(=O)(OS(=O)(=O)C(F)(F)F)C(F)(F)F
Name: trifluoromethanesulfonic acid anhydride
SMILES: O=S(=O)(OS(=O)(=O)C(F)(F)F)C(F)(F)F
Molecular formula: C2F6O5S2
Molecular weight: 281.91
Involved in 1 reactions