C[C@@H](CC([N+](=O)[O-])[N+](=O)[O-])[N+](=O)[O-]    mol9221    0_1
C[C-](CC([N+](=O)[O-])[N+](=O)[O-])[N+](=O)[O-]    mol9221    -1_1
C[C@@H](C[C-]([N+](=O)[O-])[N+](=O)[O-])[N+](=O)[O-]    mol9221    -1_2