List of Chemicals
| Chemicals Sort descending | Reference |
|---|---|
| GLYCINE | Martindale's 29th |
| HISTIDINE | Duke, 1992 * |
| THREONINE | Martindale's 29th |
| TYROSINE | Borchard, R. E., Barnes, C. D., and Eltherton, L. G. 1991. Drug Dosage in Laboratory Animals: A Handbook. (3rd Ed.) The Telford Press, Inc., P. O. Box 287, Caldwell NJ 07006. |