| Compound | Description |
|---|---|
| hydronium ion | |
| NADH | |
| nad | A coenzyme composed of ribosylnicotinamide 5'-diphosphate coupled to adenosine 5'-phosphate by pyrophosphate linkage. It is found widely in nature and is involved in numerous enzymatic reactions in which it serves as an electron carrier by being alternately oxidized (NAD+) and reduced (NADH). (Dorland, 27th ed) |
| arsenic acid | RN given refers to orthoarsenic acid(H3AsO4); see also sodium arsenate |