abstract |
The present invention provides a compound or a salt thereof for treating various diseases such as allergic rhinitis and a composition containing the compound. Formula (I) [Wherein the naphthalene ring can be substituted by R 1 in the 2, 3, 4, 5, 6, 7 or 8 position, and R 1 can be —CH 2 CH 2 COOH or —CH═C (CH 3 ) COOH. Or a salt thereof, and a composition containing the compound. [Selection figure] None |