Cc1ccc2nc(C)c(C)nc2c1 mol7950 0_1 Cc1ccc2nc(C)c(C)[nH+]c2c1 mol7950 1_1 Cc1ccc2[nH+]c(C)c(C)nc2c1 mol7950 1_2 Cc1ccc2[nH+]c(C)c(C)[nH+]c2c1 mol7950 2_1