(2S)-1-[(2S,4R)-4-Benzyl-2-hydroxy-5-{[(1S,2R,5S)-2-hydroxy-5-methylcyclopentyl]amino}-5-oxopentyl]-4-{[6-chloro-5-(4-methyl-1-piperazinyl)-2-pyrazinyl]carbonyl}-N-(2-methyl-2-propanyl)-2-piperazineca rboxamide

(2S)-1-[(2S,4R)-4-Benzyl-2-hydroxy-5-{[(1S,2R,5S)-2-hydroxy-5-methylcyclopentyl]amino}-5-oxopentyl]-4-{[6-chlor-5-(4-methyl-1-piperazinyl)-2-pyrazinyl]carbonyl}-N-(2-methyl-2-propanyl)-2-piperazincarb oxamid

(2S)-1-[(2S,4R)-4-Benzyl-2-hydroxy-5-{[(1S,2R,5S)-2-hydroxy-5-methylcyclopentyl]amino}-5-oxopentyl]-4-{[6-chloro-5-(4-methyl-1-piperazinyl)-2-pyrazinyl]carbonyl}-N-(2-methyl-2-propanyl)-2-piperazineca rboxamide

(2S)-1-[(2S,4R)-4-Benzyl-2-hydroxy-5-{[(1S,2R,5S)-2-hydroxy-5-méthylcyclopentyl]amino}-5-oxopentyl]-4-{[6-chloro-5-(4-méthyl-1-pipérazinyl)-2-pyrazinyl]carbonyl}-N-(2-méthyl-2-propanyl)-2-pipérazineca rboxamide

3IN

n-[2(s)-cyclopentyl-1(r)-hydroxy-3(r)methyl]-5-[(2(s)-tertiary-butylamino-carbonyl)-4-(n1-(2)-(n-methylpiperazinyl)-3-chloro-pyrazinyl-5-carbonyl)-piperazino]-4(s)-hydroxy-2(r)-phenylmethyl-pentanamide