1	PAH	Phosphonoacetohydroxamic acid	1.000
2	FSG	[(1s)-1-fluoro-2-(hydroxyamino)-2-oxoethyl]phosphonic acid	0.900
3	2HE	(2-hydroxyethyl)phosphonic acid	0.778
4	POA	Phosphonoacetaldehyde	0.778
5	129	[2(formyl-hydroxy-amino)-ethyl]-phosphonic acid	0.727
6	7VD	(2-oxopropyl)phosphonic acid	0.700
7	PAE	Phosphonoacetic acid	0.700
8	PCT	Phosphonoacetamide	0.700
9	S0H	(S)-2-hydroxypropylphosphonic acid	0.700
10	TB6	[(2r)-2-hydroxypropyl]phosphonic acid	0.700
11	YRQ	[(2s)-1-hydroxypropan-2-yl]phosphonic acid	0.700