diacetyl, butanedione molecule. it is occurs in alcoholic beverages and is added as a flavoring to some foods. structural

diacetyl butanedione biacetyl c4h6o2 inorganic skeletal alcoholic bronchiolitis butter butterscotch buttery diketone dimethyl fermentation margarine microwave obliterans drawing flat icon hydrogen carbon oxygen organic chemistry structural formula atomic molecule structure chemical atom molecular vector molecule occurs beverages flavoring foods model