1	APO	D-2-amino-3-phosphono-propionic acid	1.000
2	3PP	3-phosphonopropanoic acid	0.900
3	GZ3	(E)-2-methyl-3-phosphonoacrylate	0.818
4	PPR	Phosphonopyruvate	0.818
5	57H	Prop-2-en-1-ylphosphonic acid	0.700
6	P7I	(2-aminoethyl)phosphonic acid	0.700