(6R)-4-[(6-chloronaphthalen-2-yl)sulfonyl]-6-(morpholin-4-ylcarbonyl)-1-[(1-pyridin-4-ylpiperidin-4-yl)methyl]piperazin-2-one
(6r)-4-[(6-chloronaphthalen-2-yl)sulfonyl]-6-(morpholin-4-ylcarbonyl)-1-[(1-pyridin-4-ylpiperidin-4-yl)methyl]piperazin-2-one