C[C@@](O)(C1=NCCCN1)c1ccccc1 mol7522 0_1 C[C@@](O)(C1=[NH+]CCCN1)c1ccccc1 mol7522 1_1 C[C@@](O)(C1=NCCC[N-]1)c1ccccc1 mol7522 -1_1 C[C@@]([O-])(C1=NCCCN1)c1ccccc1 mol7522 -1_2