3d image of 1-methyl-4-phenylpyridinium skeletal formula

1-methyl-4-phenylpyridinium mpp cyperquat mptp induced neurotoxicity dopaminergic neuron cell viability parkinson's disease kidney dopamine action paraquat brain mitochondria substantia nigra herbicide radical electron transport chain biohazard 3d rendering chemical biochemistry organic molecule molecular structural structure formula skeletal herbal plant nervous system poison toxic toxicity toxin danger hazard ld50