006 Carbon compounds Carbamates Inorganic carbon compounds of hydrogen cyanide Urea and derivatives 007 Nitrogen compounds Quaternary ammonium compounds Acid nitrogen compounds Nitrates Nitrites 008 Oxygen compounds 009 Fluorine compounds Inorganic fluorides 011 Sodium compounds 012 Magnesium compounds Organometallic magnesium derivatives 013 Aluminium compounds Organometallic aluminium derivatives 014 Silicon compounds Silicones Silicates 015 Phosphorus compounds Acid phosphorus compounds Phosphonium compounds Phosphoric esters Phosphates Phosphites Phosphoramides and derivatives
006 Carbon compounds Carbamates Inorganic carbon compounds of hydrogen cyanide Urea and derivatives 007 Nitrogen compounds Quaternary ammonium compounds Acid nitrogen compounds Nitrates Nitrites 008 Oxygen compounds 009 Fluorine compounds Inorganic fluorides 011 Sodium compounds 012 Magnesium compounds Organometallic magnesium derivatives 013 Aluminium compounds Organometallic aluminium derivatives 014 Silicon compounds Silicones Silicates 015 Phosphorus compounds Acid phosphorus compounds Phosphonium compounds Phosphoric esters Phosphates Phosphites Phosphoramides and derivatives