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N,N'-(3,3'-((6R,9S,12S,15S,17aS,23R,26S,29S,32S,34aS)-6,23-dibenzyl-9,26-diisobutyl-15,32-diisopropyl-5,8,11,14,17,22,25,28,31,34 decaoxotetratriacontahydro dipyrrolo[1,2-a:1',2'-p] [1,4,7,10,13,16,19,22,25,28] decaazacyclotriacontine-12,29-diyl)bis(propane-3,1-diyl))bis(4-(diphenylphosphino)benzamide)