65230-09-3 Cyclic (D-alpha-hydroxyisovaleryl-D-isoleucyl-L-lactoyl-L-ioleucyl-D-alpha-hydroxyisovaleryl-D-isoleucyl-L-lactoyl-L-isoleucyl-D-alpha-hydroxyisovaleryl-D-isoleucyl-L-lactoyl-L-isoleucyl) Isoleucinomycin