(4S)-4-methylnonanoic acid - More intensive than the (R)-enantiomer, reminiscent of mutton & goat  Ref: Karl, V., J. Gutser, A. Dietrich, B. Maas & A. Mosandl, Stereoisomeric flavour compounds LXVIII. 2-, 3-, and 4-alkyl_branched acids, part 2: chirospecific analysis and sensory evaluation, Chirality, 6, 427-434 (1994)

(4R)-4-methylnonanoic acid - Weak, sweaty Ref: Karl, V., J. Gutser, A. Dietrich, B. Maas & A. Mosandl, Stereoisomeric flavour compounds LXVIII. 2-, 3-, and 4-alkyl_branched acids, part 2: chirospecific analysis and sensory evaluation, Chirality, 6, 427-434 (1994)

Ionones, Irones, Damascones & Structurally Related Odorants

Acyclics (Alcohols, Esters, Acids, Aldehydes)

Lactones

Sesquiterpenoid Related Odorants