Embelin is a potent, nonpeptidic XIAP inhibitor.

Curzerene is an organic heterocyclic compound that can inhibit the mRNA and protein expression of glutathione S-transferase A1 (GSTA1).

Tuberostemonine is a stenine alkaloid that can be isolated from Stemona tuberosa and Stemona sessifolia.

Retrorsine is a naturally occurring toxic pyrrolizidine alkaloid.

Agarotetrol is a chromone derivative isolated from Agarwood.

Asperuloside is an iridoid isolated from Hedyotis diffusa, Asperuloside is also an inhibitor.

Saikosaponin B1 is a bioactive constituent of Radix Bupleuri. Saikosaponin B1 is an agonist of the 5-HT2C receptor, Saikosaponin B1 can be studies in research for cancers such as Medulloblastoma.

Herbacetin is a natural flavonoid from flaxseed, exerts various pharmacological activities.

Xanthatin is a sesquiterpene lactone compound that can be extracted from the leaves of Xanthium strumarium and can induce apoptosis.

Epifriedelanol is a triterpenoid found in the root bark of Ulmus davidiana, Epifriedelanol is also an inhibitor.

Plumbagin is a naphthoquinone isolated from Plumbago zeylanica.

Quercetin 3-O-glucuronide is a metabolite of quercetin and a type of natural flavonoid. Quercetin 3-O-glucuronide is also a CBR1 inhibitor.

Crosstide is a peptide analog of glycogen synthase kinase α/β fusion protein sequence which is a substrate for Akt.

8α-Hydroxyhirsutinolide is a sesquiterpene lactone. 8α-Hydroxyhirsutinolide inhibits TNF-α-induced NF-κB activity.

11-Keto-beta-boswellic acid(KBA) is a pentacyclic triterpenic acid of the oleogum resin from the bark of the Boswellia serrate tree, popularly known as Indian Frankincense.

Rottlerin, a natural product purified from Mallotus Philippinensis, is a specific PKC inhibitor.