Cesar M. Compadre et al., "The intensely sweet sesquiterpene hernandulcin: isolation, synthesis, characterization, and preliminary safety evaluation". J. Agric. Food Chem., 1987, 35 (2), pp. 273–279. doi:10.1021/jf00074a027
Kenji Mori en Minoru Kato, "Synthesis of (6s,1's)-(+)-hernandulcin, a sweetner, and its stereoisomers". Tetrahedron, Vol. 42 nr. 21 (1986), blz. 5895-5900. doi:10.1016/S0040-4020(01)96071-5
Jung Hun Kim et al., "Synthesis of (+)-hernandulcin and (+)-epihernandulcin." Tetrahedron Letters, Vol. 43 nr. 27 (2002), pp. 4721-4722. doi:10.1016/S0040-4039(02)00939-5