1	HY4	(2r)-2,3-dibutoxypropyl hydrogen (S)-propylphosphonate	1.000
2	C63	(2r)-2,3-bis(hexyloxy)propyl hydrogen (S)-pentylphosphonate	0.769
3	2HD	(2r)-2,3-dibutoxypropyl (R)-octylphosphinate	0.760
4	VHY	(2r)-3-(phosphonooxy)propane-1,2-diyl dibutanoate	0.739
5	HI5	2-(butyryloxy)-1-{[(tetrahydroxyphosphoranyl)oxy]methyl}ethyl butyrate	0.708