Ключевые слова: alcohol, aldehyde, alkane, alkene, alkyne, amide, amine, benzene, butane, carbon, carboxyl, chemistry, decane, ester, ethane, ether, heptane, hexane, hydrogen, illustration, ketone, methane, nitrogen, nonane, octane, organic, oxygen, pentane, phenol, phosphorus, propane, sulfur, toluene,