You may also wish to search for items by Bitter.
Only one matching reference was found.
Tarján, G.; Bitter, I.; Strasser, B.; Szatmáry, M., Data for the gas-liquid chromatographic analysis of essential oils. Determination of the composition of the essential oil of marjoram, Chromatographia Sup., 2002, 56, 1, s155-s163, https://doi.org/10.1007/BF02494130 . [all data]