4-[4-[[2-(4-chlorophenyl)phenyl]methyl]piperazin-1-yl]-N-[4-[[(2R)-4-dimethylamino-1-phenylsulfanylbutan-2-yl]amino]-3-nitrophenyl]sulfonylbenzamide 4-[4-[[2-(4-chlorophenyl)phenyl]methyl]piperazin-1-yl]-N-[4-[[(1R)-3-dimethylamino-1-(phenylsulfanylmethyl)propyl]amino]-3-nitro-phenyl]sulfonyl-benzamide 4-[4-[[2-(4-chlorophenyl)phenyl]methyl]-1-piperazinyl]-N-[4-[[(1R)-3-dimethylamino-1-[(phenylthio)methyl]propyl]amino]-3-nitrophenyl]sulfonylbenzamide 4-[4-[2-(4-chlorophenyl)benzyl]piperazin-1-yl]-N-[4-[[(1R)-3-dimethylamino-1-[(phenylthio)methyl]propyl]amino]-3-nitro-phenyl]sulfonyl-benzamide 4-[4-[[2-(4-chlorophenyl)phenyl]methyl]piperazin-1-yl]-N-[4-[[(2R)-4-dimethylamino-1-phenylsulfanyl-butan-2-yl]amino]-3-nitro-phenyl]sulfonyl-benzamide N3C