CC(C)C[C@H](CN)c1nnn[nH]1    mol18062    0_1
CC(C)C[C@H](CN)c1[nH]nn[nH+]1    mol18062    1_1
CC(C)C[C@H](C[NH3+])c1nnn[nH]1    mol18062    1_2
CC(C)C[C@H](CN)c1n[nH+]n[nH]1    mol18062    1_3
CC(C)C[C@H](CN)c1nn[nH+][nH]1    mol18062    1_4