| abstract |
PROBLEM TO BE SOLVED: To provide a pharmaceutical composition having an inhibitory action on the growth of pterygium tissue and useful as an agent for suppressing the progression of pterygium and postoperative recurrence. SOLUTION: embedded image [One of A and B is (R 1 is H, halogen, hydroxyl, alkyl, alkoxy, etc., R 2 , R 3 is H, alkyl, alkoxy, etc.), and the other is —CONHR 4 [R 4 is — (CH 2 ) n R (R is a hydroxyl group, Substitutable amino, n is 2 to 6), tetrazolyl]] or a pharmacologically acceptable salt thereof as an active ingredient. |