| Primary (First) - pear skin |
| Secondary (Second) - pear skin |
| FL | | ethyl (E)-2-octenoate |
| | odor: fruity pear skin green waxy tropical plum skin fatty |
| | flavor: Fruity, green, pineapple with a juicy tropical note |
| FL/FR | | methyl 2-octenoate |
| | odor: fruity pear skin green cooked |
| Tertiary (Third) - pear skin |
| Quaternary (Fourth) - pear skin |
| FL/FR | | ethyl 2-octenoate |
| | odor: fruity green pineapple pear skin waxy tropical juicy hairy |
| | flavor: fruity green pineapple juicy tropical oily fatty greasy |
| FL/FR | | methyl 3-nonenoate |
| | odor: fruity green watermelon rind pear skin honeydew juicy fatty dry |
| | flavor: fruity green melon rind apple skin fatty hairy plum skin rindy |
| Quinary (Fifth) - pear skin |
| Senary (Sixth) - pear skin |
| Septenary (Seventh) - pear skin |
| Octonary (Eighth) - pear skin |