| Primary (First) - rhubarb |
| FR | | rhubarb fragrance |
| FL/FR | | rhubarb infusions |
| | odor: rhubarb |
| | flavor: rhubarb |
| FR | | rhubarb oxirane |
| | odor: fresh woody spicy floral fruity rhubarb zesty |
| FR | | rhubarb pyran |
| | odor: floral fruity rhubarb costus woody rooty |
| FR | | rhubarb undecane |
| | odor: fruity green rhubarb celery galbanum |
| Secondary (Second) - rhubarb |
| FR | | diisobutyl carbinyl acetate |
| | odor: herbal rhubarb floral lilac banana |
| FR | | grapefruit indene |
| | odor: fresh citrus grapefruit skin rhubarb vetiver floral gardenia |
| FR | | rhubafuran |
| | odor: green rhubarb grapefruit citrus herbal eucalyptus woody |
| FR | | rhubarb pyran |
| | odor: floral fruity rhubarb costus woody rooty |
| Tertiary (Third) - rhubarb |
| FL/FR | | cyclamen aldehyde |
| | odor: floral cyclamen fresh rhubarb musty green |
| | flavor: green tropical rhubarb watery oily cyclamen cortex phenolic |
| FR | | grapefruit pentanol |
| | odor: vetiver green citrus grapefruit rhubarb floral |
| FR | | rhubarb undecane |
| | odor: fruity green rhubarb celery galbanum |
| Quaternary (Fourth) - rhubarb |
| FR | | gardenia decalone |
| | odor: gardenia green grapefruit rhubarb vetiver woody |
| FR | | leerall |
| | odor: floral muguet cyclamen rhubarb woody |
| FL/FR | | styralyl acetate |
| | odor: green leafy gardenia rhubarb musty |
| | flavor: Fruity, berry, green, seedy and slightly nutty |
| Quinary (Fifth) - rhubarb |
| FR | 2- | ethyl-N-methyl-N-(3-methyl phenyl) butyramide |
| | odor: bitter tropical grapefruit rhubarb guava |
| FR | | gardenia acetal |
| | odor: fresh citrus gardenia green natural |
| FR | | rhubarb oxirane |
| | odor: fresh woody spicy floral fruity rhubarb zesty |
| FL/FR | | thiogeraniol |
| | odor: green sulfurous fruity berry rhubarb citrus minty catty |
| | flavor: green fruity berry citrus waxy floral tropical |
| Senary (Sixth) - rhubarb |
| FL | | benzylidene acetone |
| | odor: sweet spice cinnamon balsam rhubarb creamy floral |
| | flavor: Spicy, cinnamate-like with powdery and waxy balsamic nuances |
| FR | [(4E,4Z)-5- | methoxy-3-methyl-4-penten-1-yl] benzene |
| | odor: strong green, floral, rosy, and unique citronella, pamplemouse-like, and rhubarb-like notes |
| Septenary (Seventh) - rhubarb |
| FL/FR | | dimethyl benzyl carbinol |
| | odor: clean floral green rose cortex oily rhubarb |
| | flavor: medicinal floral phenolic narcissus cinnamyl |
| FL/FR | | ethyl levulinate |
| | odor: sweet fruity floral berry green pineapple rhubarb |
| | flavor: Fruity, green, waxy and melon |
| FR | | gardenia amide |
| | odor: fresh woody citrus oily natural cedar grapefruit |
| FR | (2- | methoxy-1-methyl butyl) benzene |
| | odor: green, floral, grapefruit, citrus, fruity, fresh, khusinil, and spicy fragrance notes |
| Octonary (Eighth) - rhubarb |
| FL/FR | | ethyl 3-hexenoate |
| | odor: fruity pineapple green tart candy metallic tropical rhubarb weedy cheesy |
| | flavor: fruity green tart pineapple tropical winey grape quince |
| FL/FR | (E)-2- | hexen-1-yl propionate |
| | odor: green fruity apple pear banana unripe banana tropical pulpy rhubarb |
| | flavor: green fruity oily leafy tropical pulpy grassy vegetable |