Cc1ncc2cnn(C)c2n1    mol4941    0_1
Cc1nc2c(cnn2C)c[nH+]1    mol4941    1_1
Cc1ncc2cnn(C)c2[nH+]1    mol4941    1_2
Cc1ncc2c[nH+]n(C)c2n1    mol4941    1_3