7-desmethylmicrocystin LR

Cyclo[Dha-D-Ala-L-Leu-[(3S)-3-methyl-D-βAsp-]-L-Arg-2-methyl-3-[(1E,3E)-3,5-dimethyl-6-methoxy-7-phenylhepta-1,3-dien-1-yl]-βAla-D-γGlu-]