. "Isomigrastatin" . . . . . . . . . . . . . . "isomigrastatin" . . . . "Isomigrastatin" . . . "4-[7-(4-Hydroxy-5-methoxy-3-methyl-12-oxo-oxacyclododeca-6,10-dien-2-yl)-5-methyl-4-oxo-oct-6-enyl]-piperidine-2,6-dione" .