1 NOE Nitrosoethane 1.000 2 AXO (1e)-N-hydroxyethanimine 1.000 3 HAE Acetohydroxamic acid 0.800 4 NIE Nitroethane 0.800 5 PXO (1z)-propanal oxime 0.800 6 XEM 1-nitrosopropane 0.800 7 XEP 2-nitrosopropane 0.800 8 NSM Nitrosomethane 0.750