CC(C)/C(=N/O)C(=O)O    mol22251    0_1
CC(C)/C(=[NH+]/O)C(=O)[O-]    mol22251    0_2
CC(C)/C(=N/[O-])C(=O)O    mol22251    -1_1
CC(C)/C(=N/O)C(=O)[O-]    mol22251    -1_2