O=S(=O)([O-])[NH2+]c1cccc2ccccc12    mol28404    0_1
O=S(=O)(O)Nc1cccc2ccccc12    mol28404    0_2
O=S(=O)(O)[N-]c1cccc2ccccc12    mol28404    -1_1
O=S(=O)([O-])Nc1cccc2ccccc12    mol28404    -1_2