for the following products
Cyclopenta[c]pyrrole-1-carboxylic acid, (2S)-2-cyclohexyl-N-(pyrazinylcarbonyl)glycyl-3-methyl-L-valyloctahydro-, (1S,3ar,6as)- | Des[N-[(1S)-1-[2-(cyclopropylamino)-2-oxoacetyl]butyl]carboxamido] 1-carboxy telaprevir and (3S,3aS,6aR)-2-[(2S)-2-[[(2S)-2-cyclohexyl-2-(pyrazine-2-carbonylamino)acetyl]amino]-3,3-dimethylbutanoyl]-3,3a,4,5,6,6a-hexahydro-1H-cyclopenta[c]pyrrole-3-carboxylic acid
