| 2025-09-07 | Carbon compound |
| 2024-10-30 | Carbon compound |
| 2021-11-30 | Carbon compound |
| 2020-11-09 | Unstable chemical compound |
| 2019-05-12 | Chemical compound |
| 2018-07-20 | Hydroxyl-bearing compound |
| 2017-09-24 | Hydroxyl compound |
| 2017-09-20 | Hydroxyl group compound [14] |
| 2016-12-18 | Carbon compound |
| 2016-03-05 | ___ ether |
| 2015-06-04 | Alkene derivative |
| 2014-11-14 | Hydroxyl-bearing compound |
| 2014-09-21 | Hydroxyl compound |
| 2014-09-19 | Unstable compound |
| 2014-06-12 | Hydroxyl compound |
| 2014-06-01 | Organic compound |
| 2014-01-29 | ___ ether |
| 2013-08-12 | Carbon compound |
| 2013-05-05 | Hydroxyl compound |
| 2012-11-27 | Compound with a double-bonded carbon atom |
| 2012-10-30 | Carbon compound |
| 2012-05-18 | Organic compound |
| 2012-03-27 | Hydroxyl compound |
| 2012-02-25 | Hydroxyl compound |
| 2011-12-11 | Organic compound |
| 2011-08-21 | Organic compound |
| 2011-05-21 | Form of pyruvic acid |
| 2010-12-30 | Hydroxyl compound |
| 2010-10-28 | Hydroxyl compound |
| 2010-02-10 | Organic compound |
| 2010-01-10 | Organic compound |
| 2009-05-31 | Form of acetylacetone |
| 2009-05-04 | Certain alkene |
| 2008-08-09 | Double-bonded compound |
| 2008-06-27 | Carbon compound |
| 2008-06-08 | Compound that's subject to tautomerism |
| 2008-04-10 | Certain alkene |
| 2008-03-22 | Compound with a double bond |
| 2008-02-16 | Certain alkene |
| 2007-12-03 | Hydroxyl-carbon compound |
| 2007-04-07 | Keto-___ tautomerism (organic chemistry topic) |
| 2007-03-28 | Hydroxyl compound |
| 2007-01-14 | Hydroxyl compund |
| 2006-12-31 | Organic compound |
| 2006-06-02 | ___ ether |
| 2006-02-10 | Form of ether |
| 2005-10-16 | Double-bonded compound |
| 2005-09-21 | Compound with a hydroxyl group |
| 2005-09-09 | Tautomeric form of vitamin C, e.g. |
| 2005-08-28 | Organic compound |
| 2005-06-22 | Hydroxyl compound |
| 2005-05-29 | Compound with double-bonded carbon atoms |
| 2004-09-19 | Hydroxyl compound |
| 2004-03-21 | Hydroxyl compound |
| 2004-01-07 | Organic compound |
| 2003-12-14 | Carbon compound |
| 2003-11-11 | Organic compound |
| 2002-12-26 | Organic compound |
| 2002-10-27 | Organic compound |
| 2002-09-08 | Carbon compound |
| 2002-07-18 | Hydroxyl compound |
| 2002-05-05 | Organic compound |
| 2002-03-24 | Organic compound |
| 2002-01-28 | Organic compound |
| 2001-10-21 | Form of acetylacetone |
| 2001-09-27 | Carbon compound |
| 2001-08-31 | Carbon compound |
| 2001-06-13 | Hydroxyl compound |
| 2001-03-31 | Compound with two carbon atoms |
| 2001-03-02 | Chemical compound |
| 2000-07-23 | Carbon compound |
| 2000-03-12 | Organic compound |
| 2000-01-22 | Form of ether |
| 1999-12-17 | Hydroxyl compound |
| 1999-08-22 | Acetylacetone form |
| 1998-11-20 | Compound with a doubly linked carbon atom |
| 1998-01-04 | Hydroxyl-carbon compound |
| 1997-12-11 | Tautomeric compound |
| 1997-07-31 | Chemical compound |
| 1997-06-01 | Carbon compound |
| 1997-04-18 | Hydroxyl compound |
| 1996-06-16 | Chemical compound |
| 1995-04-29 | Hydroxyl compound |
| 1995-03-13 | Hydroxyl compound |
| 1995-02-10 | Ascorbic acid, for one |
| 1994-06-19 | Organic compound |
| 1994-05-10 | Organic compound |