C[C@]1(N)C[C@@H]1N mol15837 0_1 C[C@]1([NH3+])C[C@@H]1N mol15837 1_1 C[C@]1(N)C[C@@H]1[NH3+] mol15837 1_2 C[C@]1([NH3+])C[C@@H]1[NH3+] mol15837 2_1