1. Hideu T. Jpn Tokkyo Koho JP, 56005480; 1981.
2. Lambert RW, Martin JA, Merrett JH, Parkes KEB, Thomas GJ. PCT Int. Appl. WO 9706178; 1997.
3. Synthesis and anti-inflammatory properties of bis(2-hydroxy-1-naphthyl)methane derivatives. I. Monosubstituted derivatives;Poupelin;Eur J Med Chem,1978