Sweeny, James G.; D'Angelo, Lihong L.; Ricks, Edith A.; Iacobucci, Guillermo A. Discovery and Synthesis of a New Series of High-Potency L-Aspartyl-D-.alpha.-aminoalkanoyl-(S)-.alpha.-alkylbenzylamide Sweeteners. Journal of Agricultural and Food Chemistry. 1995, 43 (8): 1969–1976. ISSN 0021-8561. doi:10.1021/jf00056a003.
Sweeny, James G.; D'Angelo, Lihong L.; Ricks, Edith A.; Iacobucci, Guillermo A. Discovery and Synthesis of a New Series of High-Potency L-Aspartyl-D-.alpha.-aminoalkanoyl-(S)-.alpha.-alkylbenzylamide Sweeteners. Journal of Agricultural and Food Chemistry. 1995, 43 (8): 1969–1976. ISSN 0021-8561. doi:10.1021/jf00056a003.