Keto Tamibarotene

4-[[(5,6,7,8-Tetrahydro-5,5,8,8-tetraMethyl-6-oxo-2-naphthalenyl)aMino]carbonyl]

4-[[(5,6,7,8-Tetrahydro-5,5,8,8-tetramethyl-6-oxo-2-naphthalenyl)amino]carbonyl]benzoic Acid