3d image of dehydroacetic acid skeletal formula

dehydroacetic acid ?265 methylacetopyronone biocide 470f pyrone derivative dimerization diketene imidazole dabco pyridine substance matter material compound component agent stuff reagent functional group precursor synthesis reaction production building block molecule molecular formula skeletal structural structure geometry ball stick atom chemistry science scientific research organic chemical food additive adjuvants ingredient ins number preservative biochemistry 3d