1 CDA 2-(6-chloro-3-{[2,2-difluoro-2-(2-pyridinyl)ethyl]amino}-2-oxo-1(2h)-pyrazinyl)-N-[(2-fluoro-6-pyridinyl)methyl]acetamide 1.000 2 CDB 2-(6-chloro-3-{[2,2-difluoro-2-(2-pyridinyl)ethyl]amino}-2-oxo-1(2h)-pyrazinyl)-N-[(2-fluoro-3-methyl-6-pyridinyl)methyl]acetamide 0.969 3 CDD 2-(6-chloro-3-{[2,2-difluoro-2-(1-oxido-2-pyridinyl)ethyl]amino}-2-oxo-1(2h)-pyrazinyl)-N-[(2-fluorophenyl)methyl]acetamide 0.853 4 C1D 1-(2-{[(6-amino-2-methylpyridin-3-yl)methyl]amino}ethyl)-6-chloro-3-[(2,2-difluoro-2-pyridin-2-ylethyl)amino]-1,4-dihydropyrazin-2-ol 0.722 5 5CB N-(5-chloro-benzo[B]thiophen-3-ylmethyl)-2-[6-chloro-oxo-3-(2-pyridin-2-yl-ethylamino)-2h-pyrazin-1-yl]-acetamide 0.703 6 170 (2-[6-chloro-3-{[2,2-difluoro-2-(1-oxidopyridin-2-yl)ethyl]amino}-2-oxopyrazin-1(2h)-yl]-N-[5-chloro-2-(1h-tetrazol-1-yl)benzyl]acetamide 0.700