Synonyms: 17H-Pyrrolo[1',2':5,6][1,5,8,11]thiatriazacyclopentadecino[15,14-b]indole,cyclic peptide deriv.; L-Alanyl-D-threonyl-L-cysteinyl-cis-4-hydroxy-L-prolyl-L-alanyl-2-mercapto-L-tryptophyl-erythro-4,5-dihydroxy-L-leucinecyclic (3®6)-sulfide; L-Leucine,L-alanyl-D-threonyl-L-cysteinyl-(4S)-4-hydroxy-L-prolyl-L-alanyl-2-mercapto-L-tryptophyl-4,5-dihydroxy-,cyclic (3®6)-sulfide, (4R)-; Seco-15-phalloidin