1 0CG Prop-2-yn-1-yl trihydrogen diphosphate 1.000 2 P23 Propyl trihydrogen diphosphate 1.000 3 0CM But-2-yn-1-yl trihydrogen diphosphate 0.923 4 0CN Buta-2,3-dien-1-yl trihydrogen diphosphate 0.923 5 43W But-3-yn-1-yl trihydrogen diphosphate 0.923 6 P22 Ethyl dihydrogen diphosphate 0.917 7 0CH 4-hydroxybutyl trihydrogen diphosphate 0.857 8 0JX (3e)-4-hydroxybut-3-en-1-yl trihydrogen diphosphate 0.857 9 0K2 4-oxobutyl trihydrogen diphosphate 0.857 10 DMA Dimethylallyl diphosphate 0.857 11 IPE 3-methylbut-3-enyl trihydrogen diphosphate 0.857 12 IPR Isopentyl pyrophosphate 0.857 13 P25 Pentyl trihydrogen diphosphate 0.857 14 EA2 Aminoethanolpyrophosphate 0.846 15 0CJ 4-oxopentyl trihydrogen diphosphate 0.800 16 0O3 3-(hydroxymethyl)but-3-en-1-yl trihydrogen diphosphate 0.800 17 10D (2e)-4-fluoro-3-methylbut-2-en-1-yl trihydrogen diphosphate 0.800 18 10E (2e)-4-amino-3-methylbut-2-en-1-yl trihydrogen diphosphate 0.800 19 10G (2e)-3-methyl-4-sulfanylbut-2-en-1-yl trihydrogen diphosphate 0.800 20 EIP 4-hydroxy-3-methyl butyl diphosphate 0.800 21 H6P (2e)-4-hydroxy-3-methylbut-2-en-1-yl trihydrogen diphosphate 0.800 22 43Q (3s)-1,3-dihydroxy-4-{[(S)-hydroxy(phosphonooxy)phosphoryl]oxy}-2-methylbut-2-ylium, carbokation intermediate 0.750 23 BHI 4-bromo-3-hydroxy-3-methyl butyl diphosphate 0.750 24 S9R [(E)-3-(hydroxymethyl)pent-2-enyl] phosphono hydrogen phosphate 0.750 25 SBH (S)-4-bromo-3-hydroxy-3-methylbutyl diphosphate 0.750 26 DED 2-dimethylamino-ethyl-diphosphate 0.733 27 IS3 Isopentenyl diphosphate beta-S 0.733 28 SE6 [(2e)-3-(hydroxymethyl)hexa-2,5-dienyl] phosphono hydrogen phosphate 0.706 29 Y7D (2z)-3-methylhept-2-en-1-yl trihydrogen diphosphate 0.706