benzyl ((3R,4S,7S,10S,11R)-16-(benzyloxy)-11-((tert-butyldimethylsilyl)oxy)-3-ethyl-7-isopropyl-3-methyl-10-((N-methyl-2-nitrophenyl)sulfonamido)-6,9-dioxo-2-oxa-5,8-diaza-1(1,3)-benzenacycloundecaphane-4-carbonyl)glycinate

ethyl (2S,3R)-3-(4-(benzyloxy)-3-(((7S,10R,11R)-7-isopropyl-10-((methoxymethoxy)methyl)-2,2,3,3,11-pentamethyl-5,8-dioxo-4-oxa-6,9-diaza-3-silatridecan-11-yl)oxy)phenyl)-2-(((benzyloxy)carbonyl)amino)-3-((tert-butyldimethylsilyl)oxy)propanoate

{[(3R,4S,7S,10S,11R)-15-Benzyloxy-11-(tert-butyl-dimethyl-silanyloxy)-3-ethyl-7-isopropyl-3-methyl-10-(2-nitro-benzenesulfonylamino)-6,9-dioxo-2-oxa-5,8-diaza-bicyclo[10.3.1]hexadeca-1(15),12(16),13-triene-4-carbonyl]-amino}-acetic acid benzyl ester

ustiloxin D tert-butyl ester