O=C(Cc1c[nH]cn1)NO    mol31401    0_1
O=C(Cc1c[nH]c[nH+]1)N[O-]    mol31401    0_2
O=C(Cc1c[nH]c[nH+]1)NO    mol31401    1_1
ONC(=[OH+])Cc1c[nH]cn1    mol31401    1_2
O=C(Cc1c[nH]cn1)N[O-]    mol31401    -1_1
O=C([CH-]c1c[nH]cn1)NO    mol31401    -1_2
O=C(Cc1c[n-]cn1)NO    mol31401    -1_3
O=C(Cc1c[nH]cn1)[N-]O    mol31401    -1_4