tert-butyl ((2S)-1-((2S)-2-(5-(3-(4-(2-((S)-1-((tert-butoxycarbonyl)-L-valyl)pyrrolidin-2-yl)-1H-imidazol-5-yl)phenyl)-2,2a,7,7a-tetrahydro-1H-cyclobuta[a]inden-6-yl)-1H-imidazol-2-yl)pyrrolidin-1-yl)-3-methyl-1-oxobutan-2-yl)carbamate

tert-butyl (2S)-2-(5-(4-(6-(2-((S)-1-(tert-butoxycarbonyl)-4-methyl-2,5-dihydro-1H-pyrrol-2-yl)-1H-imidazol-5-yl)-2,2a,7,7a-tetrahydro-1H-cyclobuta[a]inden-3-yl)phenyl)-1H-imidazol-2-yl)-4-methyl-2,5-dihydro-1H-pyrrole-1-carboxylate