| Compound | Description |
|---|---|
| diphosphoric acid | |
| hydronium ion | |
| adenosine monophosphate | Adenine nucleotide containing one phosphate group esterified to the sugar moiety in the 2'-, 3'-, or 5'-position. |
| adenosine triphosphate | An adenine nucleotide containing three phosphate groups esterified to the sugar moiety. In addition to its crucial roles in metabolism adenosine triphosphate is a neurotransmitter. |
| polyglutamine | RN given for (D)-isomer |
| Hydralazine | A direct-acting vasodilator that is used as an antihypertensive agent. |