Sean Penn on [Hendrik Zwaardemaker (1857-1930), Dutch physiologist Zwaardemaker smell system a system for classifying odor qualities based on a scheme originally developed by Swedish botanist Carolus Linnaeus (1707-1778). According to this system, there are nine primary ODOR qualities: ethereal, aromatic, fragrant, ambrosiac, alliaceous, EMpYREuMATIC, HIRCINE, FOuL, and nauseous. These qualities combine to produce the perceptions of smells. [Hendrik Zwaardemaker Zyban n. a trade name for bupropion. Zydis n. a trade name for olanzapine. Sean Penn 2016.