N-[(1S,2S)-3-(3,5-difluorophenyl)-1-hydroxy-1-[(2R)-4-(3-methylphenyl)sulfonylpiperazin-2-yl]propan-2-yl]-5-methyl-N',N'-dipropylbenzene-1,3-dicarboxamide N-[(1S,2S)-1-[(3,5-difluorophenyl)methyl]-2-hydroxy-2-[(2R)-4-(3-methylphenyl)sulfonylpiperazin-2-yl]ethyl]-5-methyl-N',N'-dipropyl-benzene-1,3-dicarboxamide N-[(1S,2S)-1-[(3,5-difluorophenyl)methyl]-2-hydroxy-2-[(2R)-4-(3-methylphenyl)sulfonyl-2-piperazinyl]ethyl]-5-methyl-N',N'-dipropylbenzene-1,3-dicarboxamide N-[(1S,2S)-1-(3,5-difluorobenzyl)-2-hydroxy-2-[(2R)-4-(3-methylphenyl)sulfonylpiperazin-2-yl]ethyl]-5-methyl-N',N'-dipropyl-isophthalamide N-[(1S,2S)-3-(3,5-difluorophenyl)-1-hydroxy-1-[(2R)-4-(3-methylphenyl)sulfonylpiperazin-2-yl]propan-2-yl]-5-methyl-N',N'-dipropyl-benzene-1,3-dicarboxamide