1 XMH 4-[(6-chloro-2-naphthalenyl)sulfonyl]-1-[[1-(4-pyridinyl)-4-piperidinyl]methyl]-2-piperazinecarboxylic acid ethyl ester 1.000 2 XMD (2r)-4-[(6-chloro-2-naphthalenyl)sulfonyl]-6-oxo-1-[[1-(4-pyridinyl)-4-piperidinyl]methyl]-2-piperazinecarboxylic acid ethyl ester 0.974 3 XMG 4-[(6-chloro-2-naphthalenyl)sulfonyl]-1-[[1-(4-pyridinyl)-4-piperidinyl] methyl]-2-piperazinecarboxylic acid 0.897 4 XMI 4-[(6-chloro-2-naphthalenyl)sulfonyl]-1-[[1-(4-pyridinyl)-4-piperidinyl]methyl]piperazinone 0.846 5 ZEN [4-(6-chloro-naphthalene-2-sulfonyl)-piperazin-1-yl]- (3,4,5,6-tetrahydro-2h-[1,4']bipyridinyl-4-yl)- methanone 0.846 6 XMF 4-[(6-chloro-2-naphthalenyl)sulfonyl]-1-[[4-hydroxymethyl-1-(4-pyridinyl)-4-piperidinyl]methyl]piperazinone 0.805 7 XME 4-[(6-chloro-2-naphthalenyl)sulfonyl]-1-[[4-hydroxyiminomethyl-1-(4-pyridinyl)-4-piperidinyl]methyl]piperazinone 0.786 8 XMC 4-[[4-[(6-chloro-2-naphthalenyl)sulfonyl]-6-oxo-1-[[1-(4-pyridinyl)-4-piperidinyl]methyl]-2-piperazinyl]carbonyl]morpholine 0.778