1 DN1 3-({(2s)-2-[({(1r)-1-[({(1r)-1-[(R)-carboxy(hydroxy)methyl]-3,3-difluoropropyl}amino)carbonyl]-3-methylbutyl}amino)carb onyl]-2,3-dihydro-1h-indol-2-yl}methyl)thiophene-2-carboxylic acid 1.000 2 DN2 3-({(2s)-2-[({(1s)-1-[({(1s)-1-[(R)-carboxy(hydroxy)methyl]-3,3-difluoropropyl}amino)carbonyl]-3-methylbutyl}amino)carbonyl]-2,3-dihydro-1h-indol-2-yl}methyl)thiophene-2-carboxylic acid 1.000