1	6BD	(2s)-3-[(9h-fluoren-9-ylideneamino)oxy]-2-methylpropanoic acid	1.000
2	7BD	3-[(9h-fluoren-9-ylideneamino)oxy]propanoic acid	0.952
3	48R	(2r)-3-[(9h-fluoren-9-ylideneamino)oxy]-2-methyl-N-(methylsulfonyl)propanamide	0.769
4	ES8	[(9h-fluoren-9-ylideneamino)oxy]acetic acid	0.739