83487-84-7 Gly-lys-lys-pepstatyl Isovaleryl-valyl-valyl-statyl-ala-statyl-gly-lys-lys Isovaleryl-valyl-valylstatyl-alanylstatyl-glycyl-lysyl-lysine L-Lysine, N2-(N2-(N-(3-hydroxy-4-((2-((3-hydroxy-6-methyl-4-((N-(N-(3-methyl-1-oxobutyl)-L-valyl)-L-valyl)amino)-1-oxoheptyl)amino)-1-oxopropyl)amino)-6-methyl-1-oxoheptyl)glycyl)-L-lysyl)-, stereoisomer Pepstatyl, gly-lys-lys- Pepstatyl, glycyl-lysyl-lysine-