5-l-arginine-cyanoginosinl 5-l-argininecyanoginosinla MCYST-LR 5-L-ARGININE-MICROCYSTIN LA CYANOGINOSIN-LR Cyanoginosin, Fast-death factor Cyclo[D-Ala-L-Leu-[(3S)-3-methyl-D-βAsp-]-L-Arg-[(2S,3S)-2-methyl-3-[(1E,3E,5S,6S)-3,5-dimethyl-6-methoxy-7-phenyl-1,3-heptadiene-1-yl]-βAla-]-D-γGlu-N-methyl-Dha-] 5-L-Arginine-cyanoginosin