| Primary (First) - eggy |
| Secondary (Second) - eggy |
| FL | | ammonium sulfide 20% in water |
| | odor: egg yolk hard boiled egg |
| FL | | methyl thioacetate |
| | odor: sulfurous eggy cheese dairy vegetable cabbage |
| | flavor: sulfurous overripe rotten roasted |
| FL/FR | S-( | methyl thio) butyrate |
| | odor: Sulfurous, egg and cheese notes, tomato, tropical-fruit top notes |
| | flavor: Musty, sulfureous, Limburger-type cheese top notes, metallic cheese body |
| Tertiary (Third) - eggy |
| FL | | dicyclohexyl disulfide |
| | odor: Alliaceous, onion, egg, nut skin, coffee, clam, crab and coffee |
| | flavor: Onion, meaty, clam, crab, coffee and cocoa |
| FL/FR | | methyl mercaptan |
| | odor: Vegetable oil, alliaceous, eggy, creamy with savory nuances |
| | flavor: Sulfurous, alliaceous, creamy with a surface-ripened cheese topnote and a clean savory meaty depth |
| Quaternary (Fourth) - eggy |
| FL | S-(2- | methyl-3-furyl) ethane thioate |
| | odor: roasted meat sulfurous eggy burnt cooked fried |
| | flavor: meaty beefy chicken bacon |
| Quinary (Fifth) - eggy |
| FL | | butyl mercaptan |
| | odor: Sulfureous, fatty, stewed beef, sauteed onion, egg, coffee and garlic |
| | flavor: Sulfureous, vegetative, savory meaty, garlic and onion |
| FL | 2,5- | dihydroxy-1,4-dithiane |
| | odor: sulfury meaty toasted bread broth egg tomato |
| | flavor: Metallic, meaty savory chicken and beef, sulfurous, egg-yolk like |
| FL/FR | 2-( | methyl thio) phenol |
| | odor: meaty onion garlic sulfurous eggy |
| | flavor: meaty |
| FL | ortho- | thiocresol |
| | odor: Meaty,sulfuraceous, onion, garlic, egg, chemical, rubber, naphthyl and musty |
| | flavor: Meaty, onion, garlic, chemical and metallic |
| Senary (Sixth) - eggy |
| FL | 2,3- | butane dithiol |
| | odor: Sulfureous, meaty and alliaceous with a coffee nuance |
| | flavor: Sulfureous, fatty and roast beef-Iike with egg, salami and pork nuances |
| FL/FR | | dimethyl trisulfide |
| | odor: Sulfureous, alliaceous, cooked, savory, meaty, eggy and vegetative with a fresh, green, onion topnote |
| | flavor: Sulfureous, alliaceous, gassy, savory and meaty with a fresh, vegetative nuance |
| Septenary (Seventh) - eggy |
| FL | | cyclopentyl mercaptan |
| | odor: Alliaceous, onion, garlic, horseradish, vegetable-celery, egg, sauteed meat |
| | flavor: Alliaceous, onion, garlic, horseradish, meat, egg, burned, vegetable, celery |
| FL/FR | | methyl furfuryl disulfide |
| | odor: Roasted coffee, sulfurous cooked meat and liver, onion and garlic nuances. Slight eggy undertones |
| | flavor: Roasted coffee, toasted onion and garlic, with roasted beef and fried pork nuances |
| Octonary (Eighth) - eggy |