<i>N</i>,<i>N</i>′-[(8-<i>endo</i>,11-<i>endo</i>-Dihydroxypentacyclo[5.4.0.0<sup>2,6</sup>.0<sup>3,10</sup>.0<sup>5,9</sup>]undecane-8,11-diyl)bis(methylenecarbonyl)]di-<scp>L</scp>-phenylalanine
Acta crystallographica. Section E