O=[N+]([O-])c1cccc2c[n+](CCC[O-])ccc12 mol15165 0_1 O=[N+]([O-])c1cccc2c[n+]([CH-]CCO)ccc12 mol15165 0_2 O=[N+]([O-])c1cccc2c[n+](CCCO)ccc12 mol15165 1_1