1 DPW Decyl 2-trimethylazaniumylethyl phosphate 1.000 2 DPV Dodecyl 2-(trimethylammonio)ethyl phosphate 0.913 3 PQJ Fos-choline-14 0.905 4 HXJ 2-[[(E,2s,3r)-2-(hexanoylamino)-3-oxidanyl-dec-4-enoxy]-oxidanyl-phosphoryl]oxyethyl-trimethyl-azanium 0.700