Hupehenine is a steriodal alkaloid extracted from the bulbs of Fritillaria Hupehensis, with the potential for inhibiting acetylcholine, antagonism for muscarinic receptors and cholinesterase inhibition.

Isostearic acid (Isooctadecanoic acid) is an active ingredient in imiquimod formulations that promotes the entry of imiquimod or peripherally secreted cytokines into the brain, and can be used to induce psoriasis-like disease models.

Kuwanon O is a flavonoid derivative with a fused dihydrochalcone partial moiety, that can be isolated from the root bark of Morus lhou (set.) Koidz.