1	3S4	(3r)-5-hydroxy-3-methyl-3-(phosphonooxy)pentanoic acid	1.000
2	3PB	(3r)-3-(phosphonooxy)butanoic acid	0.786
3	D11	D-phosphothreonine	0.733
4	TPO	Phosphothreonine	0.733
5	YTH	O-phosphono-L-allothreonine	0.733
6	48X	3-(phosphonooxy)propanoic acid	0.714