Synonyms: Guanidine,[3-[(1R,2S,2aS,5S,7aS,8R,9S,14aR)-8-[2-[(aminoiminomethyl)amino]ethyl]hexadecahydro-7a,9-dihydroxy-1,2-bis(4-hydroxyphenyl)-5-methyl-4,7,10,13-tetraoxocyclobuta[h]pyrrolo[1,2-a][1,4,7,10]tetraazacyclododecin-9-yl]propyl]-,rel-(+)- (9CI); Guanidine,[3-[8-[2-[(aminoiminomethyl)amino]ethyl]hexadecahydro-7a,9-dihydroxy-1,2-bis(4-hydroxyphenyl)-5-methyl-4,7,10,13-tetraoxocyclobuta[h]pyrrolo[1,2-a][1,4,7,10]tetraazacyclododecin-9-yl]propyl]-,(1R*,2S*,2aS*,5S*,7aS*,8R*,9S*,14aR*)-(+)-; Cycloanchinopeptolide C