| Compound | Description |
|---|---|
| hydronium ion | |
| ammonium hydroxide | The hydroxy salt of ammonium ion. It is formed when AMMONIA reacts with water molecules in solution. |
| Water | A clear, odorless, tasteless liquid that is essential for most animal and plant life and is an excellent solvent for many substances. The chemical formula is hydrogen oxide (H2O). (McGraw-Hill Dictionary of Scientific and Technical Terms, 4th ed) |
| 2-ketobutyrate | |
| homocysteine | A thiol-containing amino acid formed by a demethylation of METHIONINE. |