2-(4-Hydroxyphenylazo)benzoicacid is a spectrophotometric probe that shows changes in absorption spectra upon binding to proteins and binds to bovine serum proteins.

Crocin-4, a carotenoid constituent of saffron, is a potent and brain-penetrant antioxidant agent. Crocin-4 can inhibit the aggregation and the concomitant deposition of Aβ fibrils in the brain. Crocin-4 can be used for the research of Alzheimer's Disease. Crocin-4 also exhibits antitumor and anti-inflammatory activities.

Ethyl palmitoleate (ethyl (Z)-hexadec-9-enoate) is an unsaturated free fatty acid derivative.