Synonyms: TheonellapeptolideId, 4-(N-methyl-b-alanine)-;1-Oxa-4,7,11,14,17,20,24,27,30,34-decaazacycloheptatriacontane, cyclic peptidederiv.; D-Alloisoleucine,N-(methoxyacetyl)-L-valyl-N-methyl-D-leucyl-L-threonyl-N-methyl-b-alanyl-D-leucyl-N-methyl-L-isoleucyl-b-alanyl-D-alloisoleucyl-N-methyl-L-valyl-N-methyl-L-alanyl-b-alanyl-D-leucyl-N-methyl-, l1-lactone