ALDH1A1-IN-2 is a potent inhibitor of aldehyde dehydrogenase 1a1 ( aldh1a1 ). Aldehyde dehydrogenases (ALDH) constitute a family of enzymes that play a critical role in oxidizing various cytotoxic xenogenic and biogenic aldehydes. ALDH1A1-IN-2 has the potential for the research of cancer , inflammation, or obesity (extracted from patent WO2019089626A1, compound 295).