# Species Formula 1801 AlH (Geo)HAl 1802 Aluminum hydrideHAl 1803 Trimethyl aluminum (Geo)C3H9Al 1804 TrimethylaluminumC3H9Al 1805 Al(III)C4(-) (CUVMAH) (Geo)C4H12Al 1806 Al(III)C4(-) (CUVMAH)C4H12Al 1807 TriethylaluminumC6H15Al 1808 Aluminum nitrideNAl 1809 Al(III)C3N (LINZOX) (Geo)C3H12NAl 1810 Al(III)C3N (LINZOX)C3H12NAl 1811 Al(III)C3N (ANTMAL) (Geo) C5H12NAl 1812 Al(III)C3N (ANTMAL)C5H12NAl 1813 Aluminum oxide, cationOAl 1814 AlOOAl 1815 AlO (Geo)OAl 1816 Aluminum oxide, anionOAl 1817 Aluminum hydroxide, cationHOAl 1818 Aluminum hydroxideHOAl 1819 H-Al=OHOAl 1820 Aluminum hydroxide, anionHOAl 1821 Aluminum dioxideO2Al