TAK-700 (Orteronel) is a potent and highly selective human 17, 20-lyase inhibitor with IC50 of 38 nM, exhibits >1000-fold selectivity over other CYPs (e.g. 11-hydroxylase and CYP3A4). Phase 3.

Pygmaniline B (1,3-bis(2,4-dimethoxyphenyl)urea) is a marine derived natural products found in Lichina pygmaea.

4,6,3',4'-Tetrahydroxyaurone is a flavonoid from the herbs of Heleocharis dulcis.