c1ccc(-n2cccn2)nc1    mol14034    0_1
c1ccc(-n2ccc[nH+]2)nc1    mol14034    1_1
c1ccc(-n2cccn2)[nH+]c1    mol14034    1_2
c1ccc(-n2ccc[nH+]2)[nH+]c1    mol14034    2_1