| Primary (First) - rubbery |
| | 2- | ethoxybenzene thiol |
| | flavor: rubbery |
| Secondary (Second) - rubbery |
| | iso | amyl thiophene-2-carboxylate |
| | flavor: sulfury, rubbery, toasted |
| | | benzothiophene |
| | flavor: solvent rubbery earthy |
| | 2- | hydroxythiophenol |
| | flavor: burned, slightly rubbery |
| Tertiary (Third) - rubbery |
| Quaternary (Fourth) - rubbery |
| FL/FR | 2- | ethyl-4-methyl thiazole |
| | odor: Nutty, brown, savory with coffee, sulfury and meaty nuances |
| | flavor: Coffee, cocoa, meaty, rubbery |
| FL/FR | | furfuryl mercaptan |
| | odor: Roasted coffee, sulfurous, with a burnt match note. It is savory meaty with chicken and fried onion nuances. |
| | flavor: Sulfurous roasted coffee, burnt match-like, rubbery, and slightly nutty with eggy and savory meaty nuances. |
| FL | | phenyl mercaptan |
| | odor: Meaty, phenolic, sulfuraceous, with a rubbery allicious backnote |
| | flavor: Meaty, phenolic, with a burnt rubber sulfureous nuance |
| Quinary (Fifth) - rubbery |
| FL | | hexyl mercaptan |
| | odor: Intense roasted meaty, sulfurous and slightly alliaceous with roasted meaty and nutty nuance |
| | flavor: Roasted burnt meat with a fatty, rubbery and sulfurous vegetative nuance |
| Senary (Sixth) - rubbery |
| FL | 1,3- | butane dithiol |
| | odor: Garlic, meaty sulfurous, roasted garlic and onion, spicy, with nutty nuances |
| | flavor: Garlic, mushroom, bloody metallic, roasted burnt rubber nuances, HVP and meaty, garlic |
| FL | 2- | ethoxythiazole |
| | odor: Musty, vegetative, green, phenolic, nutty, coffee and brothy |
| | flavor: Musty, vegetative, brothy, nutty and coffee with a slight rubbery nuance |
| FL/FR | 2-iso | propyl phenol |
| | odor: solvent like, phenolic, smoky with toasted woody and burnt rubber nuances |
| | flavor: solvent like, shoe polish, woody smoky, aged scotch and whiskey like with tar and burnt rubber nuances |
| Septenary (Seventh) - rubbery |
| Octonary (Eighth) - rubbery |