1 PVZ [1-hydroxy-2-(1-nonyl-1h-3lambda~5~-imidazol-3-yl)ethane-1,1-diyl]bis(phosphonic acid) 1.000 2 8PH Hydrogen [(1r)-2-(3-decyl-1h-imidazol-3-ium-1-yl)-1-hydroxy-1-phosphonoethyl]phosphonate 0.962 3 N1Z Hydrogen [(1s)-1-hydroxy-2-(3-octyl-1h-imidazol-3-ium-1-yl)-1-phosphonoethyl]phosphonate 0.960 4 BH8 Hydrogen [(1s)-2-(3-decyl-1h-imidazol-3-ium-1-yl)-1-phosphonoethyl]phosphonate 0.923 5 G76 [2-(1-heptyl-1h-imidazol-3-ium-3-yl)ethane-1,1-diyl]bis(phosphonate) 0.880 6 B73 3-(2,2-diphosphonoethyl)-1-dodecyl-1h-imidazol-3-ium 0.857 7 BH5 Hydrogen [(1r)-1-hydroxy-2-(3-pentadecyl-1h-imidazol-3-ium-1-yl)-1-phosphonoethyl]phosphonate 0.806 8 4GA 1-butyl-3-(2-hydroxy-2,2-diphosphonoethyl)-1h-imidazol-3-ium 0.800 9 BH3 Hydrogen [(1r)-2-(3-pentadecyl-1h-imidazol-3-ium-1-yl)-1-phosphonoethyl]phosphonate 0.774