KVI kvi (2S)-2-{[(2R,5S)-5-{[(2S,3S)-2-{[(2S,3R)-2-(acetylamino)-3-hydroxybutanoyl]amino}-3-methylpentanoyl]amino}-2-butyl-4-oxononanoyl]amino}-N~1~-[(2S)-1-amino-5-carbamimidamido-1-oxopentan-2-yl]pentanediamide KVI