3d image of microcystin lr skeletal formula

microcystin lr cyanoginosin microcystin cyanoginosin freshwater cyanobacteria blue-green algae cyclic heptapeptide nonribosomal peptide synthase algal blooms environment toxin microcystis aeruginosa microcystis planktothrix anabaena oscillatoria nostoc photosynthesizing hepatotoxin swimming surfing fishing extremely toxic hemodialysis water treatment irrigation lake erie liver abdominal pain vomiting nausea diarrhea headache throat dry cough pneumonia poison toxicant toxicity poisoning danger hazard harmful phytochemical natural 3d