Mofarotene (Ro-40-8757) is a small molecule compound that shows considerable antitumor activity in many cancer cell lines and can be used for the treatment of tumors and respiratory diseases.Mofarotene is a retinoic acid analog that binds to and activates retinoic acid receptors (RARs), which alters the expression of certain genes, leading to reduced cell differentiation and cell proliferation in susceptible cells.

AC-55649 是有效的，高度具有亚型特异性的人视黄酸β2 (RARβ2) 受体的激动剂，其pEC50 值为6.9。

SR9009 是一种 REV-ERB 激动剂，可增加 REV-ERBα/ERBβ 调节的基因的组成型抑制（IC50：670/800 nM）。