| Primary (First) - shellfish |
| FL | fried | crab flavor |
| FL | | shellfish flavor |
| Secondary (Second) - shellfish |
| FL | | crab extract |
| | flavor: crab |
| FL | | lobster extract |
| | flavor: lobster |
| FL | | lobster flavor |
| FL | | seafood flavor |
| Tertiary (Third) - shellfish |
| FL | | clam extract |
| FL | | clam flavor |
| | BBQ | lobster flavor |
| FL | | oyster flavor |
| FL | | shrimp flavor |
| Quaternary (Fourth) - shellfish |
| FL | | pyrrolidine |
| | odor: Ammonia, fishy, shellfish and seaweed-like |
| | flavor: Ammonia and fishy amine-like with seaweed and shellfish nuances |
| Quinary (Fifth) - shellfish |
| Senary (Sixth) - shellfish |
| Septenary (Seventh) - shellfish |
| FL | dextro,laevo-3-( | methyl thio) butanone |
| | odor: sulfurous milky oily potato earthy fatty |
| | flavor: milky creamy potato baked potato oily baked shellfish brown |
| Octonary (Eighth) - shellfish |