preferred_name: 4,10-ANHYDRO(N-(((4R)-2-((1S)-1-AMINO-2-METHYLPROPYL)-4,5-DIHYDRO-1,3-THIAZOL-4-YL)CARBONYL)-L-LEUCYL-D-.ALPHA.-GLUTAMYL-L-ISOLEUCYL-L-LYSYL-D-ORNITHYL-L-VALYL-D-PHENYLALANYL-L-HISTIDYL-D-.ALPHA.-ASPARTYL-L-ASPARAGINE)