Pošalji zapis e-poštom: N,N′-[(8-endo,11-endo-Dihy­droxy­penta­cyclo­[5.4.0.0(2,6).0(3,10).0(5,9)]undecane-8,11-di­yl)bis­(methyl­enecarbon­yl)]di-l-phenyl­alanine