1 EA2 Aminoethanolpyrophosphate 1.000 2 P22 Ethyl dihydrogen diphosphate 0.917 3 0CG Prop-2-yn-1-yl trihydrogen diphosphate 0.846 4 P23 Propyl trihydrogen diphosphate 0.846 5 0CM But-2-yn-1-yl trihydrogen diphosphate 0.786 6 0CN Buta-2,3-dien-1-yl trihydrogen diphosphate 0.786 7 43W But-3-yn-1-yl trihydrogen diphosphate 0.786 8 0CH 4-hydroxybutyl trihydrogen diphosphate 0.733 9 0JX (3e)-4-hydroxybut-3-en-1-yl trihydrogen diphosphate 0.733 10 0K2 4-oxobutyl trihydrogen diphosphate 0.733 11 DED 2-dimethylamino-ethyl-diphosphate 0.733 12 DMA Dimethylallyl diphosphate 0.733 13 IPE 3-methylbut-3-enyl trihydrogen diphosphate 0.733 14 IPR Isopentyl pyrophosphate 0.733 15 P25 Pentyl trihydrogen diphosphate 0.733