| Compound | Description |
|---|
| hydronium ion | |
| vanillin | on-line & Index Medicus search FLAVORING AGENTS (82-83); RN given refers to parent cpd; structure |
| 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) |
| Oxygen | An element with atomic symbol O, atomic number 8, and atomic weight [15.99903; 15.99977]. It is the most abundant element on earth and essential for respiration. |
| 4-hydroxybenzaldehyde | |
| s-adenosylmethionine | Physiologic methyl radical donor involved in enzymatic transmethylation reactions and present in all living organisms. It possesses anti-inflammatory activity and has been used in treatment of chronic liver disease. (From Merck, 11th ed) |
| protocatechualdehyde | found in wheat grains, wheat seedlings, & other plants; RN given refers to parent cpd; see also rancinamycins; structure |