The answer is practicality
While the levels were too low to allow differential S / R quantitation by chiral GC, especially in the presence of the relatively massive levels of S -nicotine, it is considered likely that the S enantiomer was at least dominant because of original formation by reaction of 6-methyl nicotinic acid in the nicotine formation pathway, or subsequent methylation of S -nicotine
Finally, Cedarwood and Patchouli arrive, grounding the fragrance with earthy, woody richness
"I like the poetry, the art
Some people try and divide us
Scientists were then able to find the compounds in three of the 36 samples, all associated with a single female burial from 4,000 years ago