Main Chemical found in these plants which bring therapeutic benefits are lantalactone Isoalantalactone Inunolide (germacranolide) Dihydro isoalanlactone Beta âSitosterd D- Mannitd Dihydroinundide Neo-alantolactone Inunolise Sesqiterpene Lactone (inunol) Alantadiene Octadecanoic acid. This herb grows in the temperate and alpine conditions which are found in the Hindu-Kush Himalayan regions.