Indirubin is a bis-indole alkaloid.

Cyclovirobuxine D is extracted from Buxus microphylla.

Nicotine is a natural alkaloid and acts as a selective agonist of nicotinic acetylcholine receptors (nAChR).

Isoferulic acid is a cinnamic acid derivative.

Sorbitol can be used as a stabilizing excipient and/or isotonicity agent, sweetener, humectant, thickener and dietary supplement.

Isofraxidin, a coumarin component from Acanthopanax senticosus, inhibits MMP-7 expression.

Macleaya cordata extract is a natural product, mainly containing isoquinoline alkaloids such as sanguinarine and chelerythrine.

Isoliquiritin, isolated from Licorice Root, inhibits angiogenesis and tube formation.

EndoSora™ SO 1861 is a potent endosomal escape enhancer (EEE).

Isoliquiritigenin is a flavonoid from the root of Glycyrrhiza uralensis Fisch., which inhibits aldose reductase. Isoliquiritigenin is a potent inhibitor of influenza virus replication.

Sodium tetraborate decahydrate is a triglyceride transesterification catalyst.

Isoimperatorin is a methanolic extract of the roots of Angelica dahurica shows significant inhibitory effects on acetylcholinesterase (AChE) .

The retatrutide intermediate (Fmoc-L-Lys[C20-OtBu-Glu(OtBu)-AEEA]-OH) is an Fmoc-protected lysine side-chain derivative used in solid-phase peptide synthesis to construct the fatty-acid modified side chain of retatrutide.

Isoorientin (Homoorientin) is a potent inhibitor of COX-2.

4,6-Dichloro-5-(2-methoxyphenoxy)-2,2'-bipyrimidine is a heterocyclic compound based on a bipyrimidine scaffold with a 2-methoxyphenoxy substituent, used as an intermediate in heterocyclic synthesis.

Isopimpinellin, an compound isolated from Glomerella cingulata.