Cn1nnnc1N1CCCCC1 mol7679 0_1 Cn1n[nH+]nc1N1CCCCC1 mol7679 1_1 Cn1nnnc1[NH+]1CCCCC1 mol7679 1_2 Cn1[nH+]nnc1N1CCCCC1 mol7679 1_3 Cn1nn[nH+]c1N1CCCCC1 mol7679 1_4