1 87O Phosphono hexadecanoate 1.000 2 E9H Hexadecyl dihydrogen phosphate 0.955 3 S1P (2s,3r,4e)-2-amino-3-hydroxyoctadec-4-en-1-yl dihydrogen phosphate 0.808 4 K12 12-hydroxydodecyl dihydrogen phosphate 0.739 5 4E6 (4e,6e)-hexadeca-1,4,6-triene 0.727 6 IYB Undecyl dihydrogen phosphate 0.727 7 1PW (2s,3r,4e)-2-(acetylamino)-3-hydroxyoctadec-4-en-1-yl dihydrogen phosphate 0.724 8 1R1 Hexadecyl hydrogen (R)-(3-azidopropyl)phosphonate 0.714 9 J1W 2-bromopalmitic acid 0.708 10 4E0 1-[butyl(fluoranyl)phosphoryl]oxyhexadecane 0.704