hydrocarbon aliphatic aliphatic באנגלית hydrocarbon hydrocarbon aliphatic English aliphatic aliphatic aliphatic compound aliphatic carbon chains aliphatic page Wikipédia en anglais Alifata aliphatic English English Aliphatic hydrocarbons aliphatic aliphatic English aliphatiques English primary aliphatic and aromatic amines aliphatic English English aliphatic English aliphatic English aliphatic linkers English Alifata