Illustrated Glossary of Organic Chemistry

Carvone: Either enantiomer of the natural product with IUPAC name 2-methyl-5-(prop-1-en-2-yl)cyclohex-2-enone. Most humans perceive the (R) enantiomer to have a spearmint odor, whereas the (S) enantiomer smells of rye.

(R)-(-)-carvone		smells like
(S)-(+)-carvone		smells like