4-[(S)-1-Benzyloxycarbonyl-3-(3-benzyloxy-phenyl)-2-((1S,2R)-2-hydroxy-indan-1-ylcarbamoyl)-propyl]-piperidine-1-carboxylic acid tert-butyl ester

<4,4-(2)H2>-(+/-)-trans-2,3-bis-(3-hydroxybenzyl)butyrolactone