8.oliseretóxido de sodio, NaOCH2CH3; acetona protonada,[(CH3)2COH]; ácido carbónico, (HO)2CO; OH metoxiamina, CH3ONH2;trimetilalano, (CH3)3A1; anión etenolato, CH2CHO; CsH10 (un isómero).
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