|  
 3-benzylidene-1-methyl-3H-indol-1-ium ion
 | 0 | E Parameter: -1.80 
 |    | J. Org. Chem. 2015, 80, 8643-8656 DOI: 10.1021/acs.joc.5b01298
 | 
|  
 1-methyl-3-(4-methylbenzylidene)-3H-indol-1-ium ion
 | 0 | E Parameter: -2.19 
 |    | J. Org. Chem. 2015, 80, 8643-8656 DOI: 10.1021/acs.joc.5b01298
 | 
|  
 3-(4-methoxybenzylidene)-1-methyl-3H-indol-1-ium iom
 | 0 | E Parameter: -3.02 
 |    | J. Org. Chem. 2015, 80, 8643-8656 DOI: 10.1021/acs.joc.5b01298
 | 
|  
 3-(4-(dimethylamino)benzylidene)-1-methyl-3H-indol-1-ium ion
 | 0 | E Parameter: -6.26 
 |    | J. Org. Chem. 2015, 80, 8643-8656 DOI: 10.1021/acs.joc.5b01298
 | 
|  
 1-methyl-3-((julolidin-9-yl)methylene)-3H-indol-1-ium ion
 | 0 | E Parameter: -7.79 
 |    | J. Org. Chem. 2015, 80, 8643-8656 DOI: 10.1021/acs.joc.5b01298
 | 
|  
 (E)-2-methyl-3-(4-methylbenzylidene)-3H-indol-1-ium ion
 | 0 | E Parameter: -5.15 
 |    | J. Org. Chem. 2015, 80, 8643-8656 DOI: 10.1021/acs.joc.5b01298
 | 
|  
 (E)-1,2-dimethyl-3-(4-methylbenzylidene)-3H-indol-1-ium ion
 | 0 | E Parameter: -5.05 
 |    | J. Org. Chem. 2015, 80, 8643-8656 DOI: 10.1021/acs.joc.5b01298
 | 
|  
 (E)-3-benzylidene-1,2-dimethyl-3H-indol-1-ium ion
 | 0 | E Parameter: -4.96 
 |   | J. Org. Chem. 2015, 80, 8643-8656 DOI: 10.1021/acs.joc.5b01298
 | 
|  
 bis(1-methylindol-3-yl)methylium ion
 | 0 | E Parameter: -5.99 
 |    | J. Org. Chem. 2015, 80, 8643-8656 DOI: 10.1021/acs.joc.5b01298
 | 
|  
 bis(5-methoxy-1-methylindol-3-yl)methylium ion
 | 0 | E Parameter: -6.90 
 |    | J. Org. Chem. 2015, 80, 8643-8656 DOI: 10.1021/acs.joc.5b01298
 | 
|  
 bis(1,2-dimethylindol-3-yl)methylium ion
 | 0 | E Parameter: -10.23 
 |    | J. Org. Chem. 2015, 80, 8643-8656 DOI: 10.1021/acs.joc.5b01298
 | 
|  
 (E)-2-(tert-butyl)-3-(4-methylbenzylidene)-3H-indol-1-ium
 | dichloromethane | E Parameter: -5.06 
 |  | Eur. J. Org. Chem. 2016, , 4050-4058 DOI: 10.1002/ejoc.201600572
 |