ethyl (6S,9R,12S,15S,18S,21S)-12-benzyl-15-(2-(tert-butoxy)-2-oxoethyl)-6-(4-hydroxybenzyl)-18,21-diisopropyl-2,2,9-trimethyl-4,7,10,13,16,19,22-heptaoxo-3-oxa-5,8,11,14,17,20,23-heptaazapentacosan-25-oate

N-[N-(N-benzyloxycarbonyl-valyl)-valyl]-glycine