1	545	[2-amino-3-(4-hydroxy-phenyl)-propionylamino]-(1,3,4,5-tetrahydroxy-4-hydroxymethyl-piperidin-2-yl)- acetic acid butyl ester	1.000
2	629	[2-amino-3-(4-hydroxy-phenyl)-propionylamino]-(1,3,4,5-tetrahydroxy-4-hydroxymethyl-piperidin-2-yl)- acetic acid	0.824
3	383	[2-amino-3-(4-hydroxy-phenyl)-propionylamino]- (2,4,5,8-tetrahydroxy-7-oxa-2-aza-bicyclo[3.2.1]oct-3-yl)- acetic acid	0.722