3d image of paraquat skeletal formula

paraquat paraquat dichloride methyl viologen crisquat dimethyl bipyridinium viologen herbicide redox superoxide parkinson's disease annual grasses weeds rain-fast biocide xenobiotic pesticide weed control weedkiller defoliant no-till farming resistance crop rotation herbicide resistant toxicity pot suicide murder trinidad poisoning substance compound component agent reagent functional group precursor synthesis reaction production molecule molecular formula skeletal structural structure biochemical 3d