1 XA1 {(5r)-5-amino-5-carboxy-5-[1-(4-chlorobenzyl)piperidin-4-yl]pentyl}(trihydroxy)borate(1-) 1.000 2 XA2 (R)-2-amino-6-borono-2-(1-(3,4-dichlorobenzyl)piperidin-4-yl)hexanoic acid 0.964 3 38I {(5r)-5-amino-5-carboxy-5-[(3-endo)-8-(3,4-dichlorobenzyl)-8-azabicyclo[3.2.1]oct-3-yl]pentyl}(trihydroxy)borate(1-) 0.900