1 1OM 4-{bis[4-(dimethylamino)phenyl]methyl}phenol 1.000 2 MGR Malachite green 0.962 3 CVI Crystal violet 0.862 4 5HW 4,4'-{[(3r)-3-methylcyclohexylidene]methanediyl}diphenol 0.714 5 5K0 4,4'-[(4-methylcyclohexylidene)methanediyl]diphenol 0.714 6 6FE 4-[[4-(dimethylamino)cyclohexa-2,5-dien-1-ylidene]-(4-methoxyphenyl)methyl]-N,N-dimethyl-aniline 0.710 7 AU4 4,4'-(aminomethylene)bis(N,N-dimethylaniline) 0.704