1	7BD	3-[(9h-fluoren-9-ylideneamino)oxy]propanoic acid	1.000
2	6BD	(2s)-3-[(9h-fluoren-9-ylideneamino)oxy]-2-methylpropanoic acid	0.952
3	ES8	[(9h-fluoren-9-ylideneamino)oxy]acetic acid	0.773
4	48R	(2r)-3-[(9h-fluoren-9-ylideneamino)oxy]-2-methyl-N-(methylsulfonyl)propanamide	0.731
5	5JW	{[(2,7-dichloro-9h-fluoren-9-ylidene)amino]oxy}acetic acid	0.708
6	L32	{[(2,7-dibromo-9h-fluoren-9-ylidene)amino]oxy}acetic acid	0.708