Ledipasvir (substance)
methyl ((1S)-1-((1R,3S,4S)-3-(5-(9,9-difluoro-7-(2-((6S)-5-(N-(methoxycarbonyl)- l-valyl)-5-azaspiro(2.4)hept-6-yl)-1H-imidazol-4-yl)-9H-fluoren-2-yl)-1H-benzimidazol-2-yl)-2-azabicyclo(2.2.1)heptane-2-carbonyl)-2-methylpropyl)carbamate