[NH3+]CCCN1CCOCC[NH+](CCC[NH3+])CCSCC1 mol35254 3_1 NCCC[NH+]1CCOCC[NH+](CCC[NH3+])CCSCC1 mol35254 3_2 [NH3+]CCC[NH+]1CCOCC[NH+](CCC[NH3+])CCSCC1 mol35254 4_1