Synonyms: Cyclo[2,3-didehydroalanyl-D-alanyl-L-arginyl-D-b-aspartyl-L-arginyl-(2S,3S,4E,6E,8S,9S)-4,5,6,7-tetradehydro-9-methoxy-2,6,8-trimethyl-10-phenyl-3-aminodecanoyl-D-g-glutamyl];1,4,7,10,14,17,21-Heptaazacyclopentacosane, cyclic peptide deriv.; MicrocystinC