摘要 |
Retinoid-like activity is exhibited by compounds of the formula <CHEM> where R is hydrogen or lower alkyl; A is pyridyl, thienyl, furyl, pyridazinyl, pyrimidinyl or pyrazinyl; n is 0-5; and B is H, -COOH or an ester or amide thereof, -CH2OH or an ester or ester derivative thereof, or -CHO or an acetal derivative thereof, or -COR1 or a ketal derivative thereof where R1 is -(CH2)mCH3 where m is 0-4; or a pharmaceutically acceptable salt thereof. |