(S)-(-)-alpha-Pinene
(1S,5S)-(-)-alpha-Pinene

Monoterpene in many conifers. Minus enantiomer.

CAS: 7785-26-4
(R)-(+)-alpha-Pinene
(1R,5R)-(+)-alpha-Pinene

Monoterpene in many conifers. Plus enantiomer.

CAS: 7785-70-8