3,5-Diiodo-L-tyrosine dihydrate is a natural product.

Reactive Blue 4 is an anthraquinone dye with phytotoxic, cytotoxic, and genotoxic.

Tangeretin, a flavonoid from citrus fruit peels, has been proven to play an important role in anti-inflammatory responses and neuroprotective effects in several disease models, and was also selected as a Notch-1 inhibitor.