| 
| Primary (First) - leathery | 
|   | 2- | butoxypyridine | 
|   | flavor: leathery | 
| FL/FR |   | castoreum absolute | 
|   | odor: leathery smoky animal phenolic old wood burnt resinous | 
|   | flavor: leathery animal resinous smoky old wood phenolic burnt | 
   | 
| Secondary (Second) - leathery | 
   | 
| Tertiary (Third) - leathery | 
| FL/FR | para- | cresyl caprylate | 
|   | odor: animal fecal hay ylang jasmin indole green | 
|   | flavor: animal fecal leathery herbal phenolic | 
   | 
| Quaternary (Fourth) - leathery | 
| FL/FR | 4- | methyl guaiacol | 
|   | odor: spicy clove vanilla phenolic medicinal leathery woody smoky burnt | 
|   | flavor: spicy clove woody leathery smoky coffee phenolic cocoa burnt | 
   | 
| Quinary (Fifth) - leathery | 
| FL/FR |   | amyl cinnamate | 
|   | odor: balsam amber cocoa bean orchid labdanum | 
|   | flavor: sweet balsamic orchid cocoa labdanum leathery custard storax | 
   | 
| Senary (Sixth) - leathery | 
| FL/FR |   | carob bean absolute | 
|   | odor: fruity raisin jammy brown cocoa chocolate bready coffee jammy brandy | 
|   | flavor: cocoa chocolate raisin jammy brown leathery woody brandy coffee vanilla | 
| FL/FR |   | peru balsam resinoid | 
|   | odor: sweet balsamic cinnamyl vanilla amber powdery woody resinous | 
|   | flavor: bitter warm balsam cinnamon woody vanilla leather | 
   | 
| Septenary (Seventh) - leathery | 
| FL/FR | beta- | cyclocitral | 
|   | odor: tropical saffron herbal clean rose oxide sweet tobacco damascone fruity | 
|   | flavor: tropical saffron herbal tobacco medicinal phenolic leathery green | 
| FL/FR |   | peru balsam oil | 
|   | odor: sweet balsamic cinnamyl vanilla amber spicy powdery resinous | 
|   | flavor: balsamic cinnamyl waxy vanilla woody spicy leathery | 
   | 
| Octonary (Eighth) - leathery | 
| FL/FR | 2- | methyl-1-butanol | 
|   | odor: ethereal fusel alcoholic fatty greasy  winey whiskey leathery cocoa | 
|   | flavor: ethereal alcoholic fatty greasy cocoa whiskey fusel leathery | 
| FL/FR |   | saffron indenone | 
|   | odor: herbal leather saffron iodine phenolic tobacco woody | 
|   | flavor: herbal dry saffron tobacco sage spicy phenolic leathery |