Mono-or polyenic carboxylic acid derivatives

摘要

PCT No. PCT/JP95/02231 Sec. 371 Date May 6, 1997 Sec. 102(e) Date May 6, 1997 PCT Filed Oct. 30, 1991 PCT Pub. No. WO96/13478 PCT Pub. Date May 9, 1996Compounds of the formula and compounds of the formula or their salts have the potent ability to bind to retinoic acid receptors thus useful in treating psoriasis and rheumatoid arthritis.