methyl (4S)-5-[[(2S)-1-[[(3S)-5-fluoro-1-methoxy-1,4-dioxopentan-3-yl]amino]-3-methyl-1-oxopentan-2-yl]amino]-4-[[(2S)-3-methyl-2 (phenylmethoxycarbonylamino)butanoyl]amino]-5-oxopentanoate, Caspase-6 inhibitor (fluoromethylketone), Benzyloxycarbonyl-Val