(2S,3aS,7aS)-6-oxo-2,3,3a,4,5,6,7,7a-octahydroindole-1,2-dicarboxylic acid 1-benzyl ester 2-methyl ester

allyl (2S,3aS,6R,7aS)-2-(((S)-6-((benzyloxy)carbonyl)-5-imino-13,13,14,14-tetramethyl-3-oxo-1-phenyl-2,12-dioxa-4,6-diaza-13-silapentadecan-10-yl)carbamoyl)-6-((tert-butyldimethylsilyl)oxy)octahydro-1H-indole-1-carboxylate

(2S,3aS,6R,7aS)-6-(tert-butyldimethylsiloxy)-2,3,3a,4,5,6,7,7a-octahydroindole-1,2-dicarboxylic acid 1-benzyl ester 2-methyl ester