1 D7R 6-[2-[2,4-bis(fluoranyl)phenoxy]-5-(methylsulfonylmethyl)pyridin-3-yl]-8-methyl-2h-pyrrolo[1,2-D][1,2,4]triazin-1-one 1.000 2 D7U 6-[2-[2,4-bis(fluoranyl)phenoxy]-5-(methylsulfonylmethyl)pyridin-3-yl]-8-methyl-2h-pyrrolo[1,2-a]pyrazin-1-one 0.938 3 D89 6-[2-[2,4-bis(fluoranyl)phenoxy]-5-(ethylsulfonylmethyl)pyridin-3-yl]-8-methyl-4h-pyrrolo[1,2-a]pyrazin-1-one 0.909