{(4S,7S)-4-[5-(4'-{2-[(S)-1-((S)-2-methoxycarbonylamino-3-methylbutyryl)pyrrolidin-2-yl]-3H-imidazol-4-yl}biphenyl-4-yl)-1H-imidazol-2-yl]-6,10-dioxooctahydropyridazino[1,2-a][1,2]diazepin-7-yl}carbamic acid methyl ester
{(4S,7S)-4-[5-(4'-{2-[(S)-4,4-difluoro-1-((S)-2-methoxycarbonylamino-3-methylbutyryl)pyrrolidin-2-yl]-3H-imidazol-4-yl}biphenyl-4-yl)-1H-imidazol-2-yl]-6,10-dioxooctahydropyridazino[1,2-a][1,2]diazepin-7-yl}carbamic acid methyl ester
{(4S,7S)-4-[5-(4-{2-[(S)-1-((S)-2-methoxycarbonylamino-3-methylbutyryl)pyrrolidin-2-yl]-3H-imidazol-4-yl}phenyl)-1H-benzoimidazol-2-yl]-6,10-dioxooctahydropyridazino[1,2-a][1,2]diazepin-7-yl}carbamic acid methyl ester
[(4S,7S)-4-(2-amino-4-bromophenylcarbamoyl)-6,10-dioxooctahydropyridazino[1,2-a][1,2]diazepin-7-yl]carbamic acid methyl ester
[(4S,7S)-4-(2-amino-5-bromophenylcarbamoyl)-6,10-dioxooctahydropyridazino[1,2-a][1,2]diazepin-7-yl]carbamic acid methyl ester