| dimethylmethyleneammonium ion |  | E Param.: -6.69 |  | Acc. Chem. Res. 2003, 36, 66-77 10.1021/ar020094c
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| methyl(phenyl)methyleneammonium ion |  | E Param.: -5.17 |  | Acc. Chem. Res. 2003, 36, 66-77 10.1021/ar020094c
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| Vilsmeier ion |  | E Param.: -5.77 |  | Acc. Chem. Res. 2003, 36, 66-77 10.1021/ar020094c
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| (2,4,6-trimethylphenyl)ethylium ion |  | E Param.: 6.04 |  | Macromolecules 2005, 38, 33-40 10.1021/ma048389o
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| 1,3-bis(2,4,6-trimethylphenyl)but-1-ylium ion |  | E Param.: 6.16 |  | Macromolecules 2005, 38, 33-40 10.1021/ma048389o
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| diethyl 2-((1-methyl-1,2,3,4-tetrahydroquinolin-6-yl)methylene)malonate |  | E Param.: -23.40 |  | Chem. Eur. J. 2008, 14, 9675-9682 10.1002/chem.200801277
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| diethyl 2-((julolidine-9-yl)methylene)malonate |  | E Param.: -23.80 |  | Chem. Eur. J. 2008, 14, 9675-9682 10.1002/chem.200801277
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| pipN+=CH-CH-Ph |  | E Param.: -10.30 |  | Angew. Chem. Int. Ed. 2008, 47, 8723-8726 10.1002/anie.200802889
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| bh 6k |  | E Param.: -18.20 |  | Chem. Eur. J. 2010, 16, 1365-1371 10.1002/chem.200902487
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| bh 6l |  | E Param.: -18.90 |  | Chem. Eur. J. 2010, 16, 1365-1371 10.1002/chem.200902487
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