3d image of methyl vinyl ketone skeletal formula

methyl vinyl ketone mvk methylene acetone but-3-en-2-one butenone enone flammable highly toxic pungent odor alkylating agent michael acceptor robinson annulation organic synthesis polymerize cyclopentadiene precursor synthetic vitamin pharmaceutical drug intermediate hazardous poison venom toxicant toxicity toxin toxicology poisoning danger hazard acute harmful 3d biomolecule production reaction bioactive organic component model chemical science structure substance reagent structural molecule