| Primary (First) - chemical |
| FL/FR | | benzyl alcohol |
| | odor: floral rose phenolic balsamic |
| | flavor: chemical fruity cherry almond balsamic bitter |
| FL/FR | 2,3- | dimethyl benzofuran |
| | odor: Chemical tar-like, phenolic, smoky, tobacco, slightly pungent with a hint of black licorice drops, leather, cade oil and smoky bacon meaty |
| | flavor: Chemical, burnt woody, coumarin-like, tobacco, whiskey and slightly fusel like, tarry with a lingering aftertaste |
| FL | 2,5- | dimethyl furan |
| | odor: chemical ethereal meaty gravy roast beef bacon |
| | flavor: chemical meaty gravy |
| FL/FR | meta- | dimethyl hydroquinone |
| | odor: acid fruity nutmeg neroli |
| | flavor: Chemical, medicinal, spice, cooling root beer-like |
| FL/FR | | methyl ethyl ketone |
| | odor: acetone-like ethereal fruity camphor |
| | flavor: Chemical-like and slightly fruity green |
| FL | iso | propyl thiophene |
| | flavor: chemical |
| FL/FR | | styralyl alcohol |
| | odor: fresh sweet acetophenone gardenia hyacinth |
| | flavor: Chemical, medicinal, with a balsamic vanilla woody nuance |
| | 3- | vinyl thiophene |
| | flavor: chemical solvent |
| Secondary (Second) - chemical |
| CS | | propylene glycol dibenzoate |
| | odor: salmon algae metallic shellfish |
| | flavor: alcoholic chemical phenolic nasturtium balsamic powdery |
| FL | gamma- | thiobutyrolactone |
| | odor: burnt garlic |
| | flavor: burnt chemical |
| FL/FR | 2,5- | xylenol |
| | odor: Sweet, naphthyl, phenolic, smoke, bacon and Iysol-like |
| | flavor: Musty, chemical, stringent and phenolic |
| Tertiary (Third) - chemical |
| FL/FR | iso | butyl 2-butenoate |
| | odor: fruity dry tropical rummy ripe green pear (caramellic is the long drydown) |
| | flavor: Sweet, green, chemical and alcoholic-like with licorice, tropical and fruity nuances |
| FL/FR | iso | butyl cinnamate |
| | odor: sweet balsam fruity like labdanum |
| | flavor: Balsamic, fruity and chemical-like |
| Quaternary (Fourth) - chemical |
| FL/FR | | butyl anthranilate |
| | odor: petitgrain plum sweet grape fruity wine floral berry powdery |
| | flavor: Grape-like with a sweet fruity berry and chemical nuance |
| FL | ortho- | thiocresol |
| | odor: Meaty,sulfuraceous, onion, garlic, egg, chemical, rubber, naphthyl and musty |
| | flavor: Meaty, onion, garlic, chemical and metallic |
| Quinary (Fifth) - chemical |
| CS | | quinoline |
| | odor: Medical, musty, tobacco with a pyridine and leather nuance |
| | flavor: Earthy, musty, nutty, coumarinic with a chemical nuance |
| Senary (Sixth) - chemical |
| FL/FR | | indole |
| | odor: animal floral moth ball fecal naphthelene |
| | flavor: Animal, fecal, naphthyl, with earthy, perfumey, phenolic and chemical nuances |
| FL/FR | | melon heptenal |
| | odor: fresh ozone melon fresh air sweet clean green |
| | flavor: Green, melon watermelon-rind, cucumber, with a waxy, chemical and floral nuance |
| Septenary (Seventh) - chemical |
| Octonary (Eighth) - chemical |