1	414	(5r,6r,8s)-8-(3-{[amino(imino)methyl]amino}phenyl)-5-cyclohexyl-6-hydroxy-3-oxo-1-phenyl-2,7-dioxa-4-aza-6-phosphanonan-9-oic acid 6-oxide	1.000
2	922	(5r,6s,8s)-8-(3-{[amino(imino)methyl]amino}phenyl)-6-hydroxy-5-isopropyl-3-oxo-1-phenyl-2,7-dioxa-4-aza-6-phosphanonan-9-oic acid 6-oxide	0.769
3	11B	(5r,6s,8s)-8-(3-{[amino(imino)methyl]amino}phenyl)-6-hydroxy-3-oxo-5-pentyl-1-phenyl-2,7-dioxa-4-aza-6-phosphanonan-9-oic acid 6-oxide	0.732