| abstract |
A liver function protecting or improving agent which comprises a compound represented by the formula (I) n n n {in the formula (I), R 1 , R 2 , R 3 , R 4 , R 5 , R 6 , R 7 , R 8 and R 9 may be the same or different, and represent hydrogen, halogen, hydroxy, alkoxy or alkyl; and R A represents the formula (II) n n n [in the formula (II), R 10 and R 11 may be the same or different, and represent hydrogen or halogen, or R 10 and R 11 together represent a binding] or the formula (III) n n n [in the formula (III), R 12 represents hydrogen, halogen, hydroxy, alkoxy, cyano or alkyl, R 13 and R 14 may be the same or different, and represent hydrogen or halogen, or R 13 and R 14 together represent a binding]} or a glycoside thereof or a pharmaceutically acceptable salt thereof. |