1	2E2	1-{3,5-O-[(4-carboxyphenyl)(phosphono)methylidene]-2-deoxy-beta-D-threo-pentofuranosyl}-5-methylpyrimidine-2,4(1h,3h)-dione	1.000
2	DPB	(S)-1-[2'-deoxy-3',5'-O-(1-phosphono)benzylidene-B-D-threo-pentofuranosyl]thymine	0.903
3	0BT	1-{2-deoxy-3,5-O-[(4-iodophenyl)(phosphono)methylidene]-beta-D-threo-pentofuranosyl}-5-methylpyrimidine-2,4(1h,3h)-dione	0.875
4	2JW	1-{2-deoxy-3,5-O-[(4-nitrophenyl)(phosphono)methylidene]-beta-D-threo-pentofuranosyl}-5-methylpyrimidine-2,4(1h,3h)-dione	0.824
5	2O2	1-{2-deoxy-3,5-O-[phenyl(phosphono)methylidene]-beta-D-threo-pentofuranosyl}-5-[(E)-2-phosphonoethenyl]pyrimidine-2,4(1h,3h)-dione	0.778
6	EJ8	[(2~{R},4~{a}~{R},6~{R},7~{a}~{R})-6-[2,4-bis(oxidanylidene)-5-(phosphonomethylsulfanylmethyl)pyrimidin-1-yl]-2-phenyl-4~{a},6,7,7~{a}-tetrahydro-4~{H}-furo[3,2-D][1,3]dioxin-2-yl]phosphonic acid	0.757
7	O84	[(2~{R},4~{a}~{R},6~{R},7~{a}~{R})-6-[2,4-bis(oxidanylidene)-5-[(~{E})-3-phosphonoprop-1-enyl]pyrimidin-1-yl]-2-phenyl-4~{a},6,7,7~{a}-tetrahydro-4~{H}-furo[3,2-D][1,3]dioxin-2-yl]phosphonic acid	0.757