1	FGP	2-amino-3-hydroxy-3-phosphonooxy-propionic acid	1.000
2	SEP	Phosphoserine	0.917
3	D11	D-phosphothreonine	0.846
4	TPO	Phosphothreonine	0.846
5	YTH	O-phosphono-L-allothreonine	0.846
6	48X	3-(phosphonooxy)propanoic acid	0.833
7	PSE	O-phosphoethanolamine	0.833
8	2RX	O-thiophosphono-L-serine	0.769
9	3PB	(3r)-3-(phosphonooxy)butanoic acid	0.769
10	3PG	3-phosphoglyceric acid	0.769
11	HG3	[(2~{R})-2,3,3-tris(oxidanyl)propyl] dihydrogen phosphate	0.769
12	HPV	2-oxo-3-(phosphonooxy)propanoic acid	0.769
13	SBG	O-[(S)-hydroxy(methyl)phosphoryl]-L-serine	0.769
14	SVV	O-[(S)-amino(hydroxy)phosphoryl]-L-serine	0.769
15	SVW	O-[(R)-amino(hydroxy)phosphoryl]-L-serine	0.769
16	PDI	Phosphoric acid mono-(3-hydroxy-propyl) ester	0.750
17	OMH	O-[(S)-hydroxy(methoxy)phosphoryl]-L-serine	0.714
18	T8L	Thio-phosohothreonine	0.714