O=S(=O)(NS(=O)(=O)C(F)(F)C(F)(F)F)C(F)(F)C(F)(F)F    mol28820    0_1
O=S(=O)([N-]S(=O)(=O)C(F)(F)C(F)(F)F)C(F)(F)C(F)(F)F    mol28820    -1_1