| Primary (First) - dirty |
| | 3,3- | dimethyl-5- and 6-isopropyl bicyclo(2.2.2)-5,7-octadiene-2-one |
| | odor: dirty, valerian-like, phenolic, rooty aroma |
| FR | 1,4-bis-(1,2- | dimethyl propyl)-6,8-dioxabicyclo(3.2.1)octane |
| | odor: Dirty, chemical, and burnt |
| | 5- and 6-iso | propyl-3,3-dimethyl bicyclo(2.2.2)octan-2-one |
| | odor: dirty, valerian-like aroma |
| Secondary (Second) - dirty |
| FL/FR | 2- | ethyl fenchol |
| | odor: earthy ground rooty damp musty camphor |
| | flavor: earthy minty fir needle rooty humus mushroom potato tea |
| FL/FR | (±)- | geosmin |
| | odor: earthy soil humus dirt |
| | 6- | hepten-1-yl 2-butenoate |
| | odor: fruity, dirty, chemical, and metallic |
| | 2- | methyl-5-hexen-1-yl 2-butenoate |
| | odor: fruity, dirty, chemical, and metallic |
| FL/FR | | nonanoic acid |
| | odor: Waxy, dirty and cheesy with a cultured dairy nuance |
| | flavor: Fatty, waxy and cheesy with a mild sweet creamy background |
| FL | | tyramine |
| | odor: mild meaty dirty cooked phenolic rubbery |
| | flavor: mild sweet vegetative phenolic |
| Tertiary (Third) - dirty |
| FR | 3- | allyl oxy-1,4-dimethyl bicyclo(3.2.1)octane |
| | odor: fruity, green, dirty, harsh, metallic, slight woody, camphor, juicy, acetophenone-like, and fenchol-like notes |
| FR | | celery undecene |
| | odor: aromatic herbal natural celery cumin soil natural forest |
| | (R)- | citronellyl acetate |
| | odor: citrus lime dirty aldehydic |
| FR | | earth fragrance |
| | 1- | ethyl-2-methyl propyl 3-butenoate |
| | odor: fruity and sweet, but dirty and chemical |
| FL/FR | | geosmin |
| | odor: freshly plowed soil earthy |
| | flavor: earthy humus dirty weedy wet turnup |
| | (-)- | geosmin |
| | odor: earthy musty dirt |
| FL | (E)-3- | hexen-1-yl crotonate |
| | odor: green, fresh, slightly dirty, chemical, and metallic |
| FL/FR | 2- | methyl butyric acid |
| | odor: pungent acid roquefort cheese |
| | flavor: Fruity, dirty, acidic with a dairy buttery and cheesey nuance |
| Quaternary (Fourth) - dirty |
| | 1,5- | dimethyl-4-hexen-1-yl 2-butenoate |
| | odor: fruity, slightly nutty and woody, but dirty, chemical, and slightly harsh |
| FL/FR | 2- | ethyl hexyl acetate |
| | odor: earthy herbal humus undergrowth |
| | 1- | ethyl propyl 2-butenoate |
| | odor: fatty, oily, fishy, dirty and chemical |
| FR | | huminol M |
| | odor: powderful humid wet earthy dirt rooty |
| | 6- | methoxy-1,6,7-trimethyl octahydro-4,7-methanoindene + 5-methoxy-2,4,5-trimethyl octahydro-4,7-methanoindene |
| | odor: weak woody, piney, camphoraceous, and clay notes |
| Quinary (Fifth) - dirty |
| FL/FR | | allspice leaf oil |
| | odor: sweet spicy clove woody phenolic dirty fatty cinnamon aldehydic |
| | flavor: Spicy, woody, clove and eugenol with a dirty, phenolic, weedy nuance |
| | 1,2- | dimethyl propyl 2-butenoate |
| | odor: fruity, winey, woody, green, slightly dirty and animalic |
| FL/FR | | melon acetal |
| | odor: green mushroom chicken coup new mown hay |
| | flavor: green herbal mushroom earthy alfalfa violet melon rind brothy |
| FL | (E)-2- | octenoic acid |
| | odor: musty sour fatty waxy dirty aldehydic vegetable cheese |
| | flavor: fatty terpy waxy green weedy wet hay |
| FL/FR | 1- | octen-3-one |
| | odor: Intense earthy, metallic, mushroom-like with vegetative nuances of cabbage and broccoli. It has minor savory notes of fish and chicken |
| | flavor: Intense creamy earthy mushroom with fishy and vegetative nuances |
| Senary (Sixth) - dirty |
| FL/FR | iso | amyl decanoate |
| | odor: waxy banana fruity sweet cognac green |
| | flavor: waxy fruity banana green creamy cheesy |
| Septenary (Seventh) - dirty |
| FL/FR | | cyclohexyl carboxylic acid |
| | odor: Fruity, acidic, metallic, with a cheesy tropical fruit nuance |
| | flavor: Fruity, woody, berry-like with green dirty nuances |
| Octonary (Eighth) - dirty |
| FL/FR | | heptanal dimethyl acetal |
| | odor: green privet fruity tropical orange |
| | flavor: Dirty green with waxy and fatty nuances |