3d image of tetrodotoxin skeletal formula

tetrodotoxin anhydrotetrodotoxin 4-epitetrodotoxin tetrodonic acid ttx neurotoxin tetraodontiformes pufferfish porcupinefish ocean sunfish triggerfish fish blue-ringed octopuses rough-skinned newts moon snails pseudoalteromonas pseudomonas sodium channel blocker voltage-gated channels nerve cell membranes cuttlefish hapalochlaena maculosa angelfish nassarius naticidae starfish astropecten ribbon worms chaetognaths poison venom toxicant toxic toxicity toxin toxicology poisoning danger hazard acute harmful kill exposure limit antidote intoxication detoxification 3d molecule