<i>tert</i>-Butyl<i>N</i>-[(11-<i>exo</i>-benzyloxycarbonyl-8-oxopentacyclo[5.4.0.0<sup>2,6</sup>.0<sup>3,10</sup>.0<sup>5,9</sup>]undecane-11-<i>endo</i>-yloxy)carbonylmethyl]carbamate
Acta crystallographica. Section E