O=[N+]([O-])NCCC([N+](=O)[O-])([N+](=O)[O-])[N+](=O)[O-]    mol27924    0_1
O=[N+]([O-])[N-]CCC([N+](=O)[O-])([N+](=O)[O-])[N+](=O)[O-]    mol27924    -1_1