Ключевые слова: acid, atom, atomic, blue, butanoate, butanoic, butyrate, butyrates, butyric, carbon, carboxylic, chemical, chemistry, chlorine, dark blue, drawing, endogenous, ester, fatty, flat, fluorine, formula, human colon, hydrogen, icon, illustration, methyl butyrate, microbiome, molecular, molecule, nitrogen, organic, oxygen, structural, structure, sulfur, white,