Cc1cc(-n2nc(C)cc2C)[nH]n1    mol13739    0_1
Cc1cc(C)n(-c2cc(C)[nH+][nH]2)n1    mol13739    1_1
Cc1cc(-n2[nH+]c(C)cc2C)[nH]n1    mol13739    1_2
Cc1cc(-n2[nH+]c(C)cc2C)[nH][nH+]1    mol13739    2_1