摘要 |
The present invention relates to a pharmaceutical composition comprising as an active ingredient a compound of formula (I), wherein Ring A is an aromatic or a heterocyclic ring; Q is a bond, carbonyl, lower alkylene, lower alkenylene, -O-(lower alkylene)-, etc.; n is 0, 1 or 2; Z is oxygen or sulfur, W is oxygen, sulfur, -CH-CH-, -NH- or -N-CH-; R 1, R2 and R3 are the same or different and are hydrogen, halogen, hydroxyl, a substituted or unsubstituted lower alkyl group, a substituted or unsubstituted lower alkoxy group, a substituted or unsubstituted amino group, etc.; R4 is tetrazolyl, carboxyl group, amide or ester; R5 is hydrogen, nitro, amino, hydroxyl; lower alkanoyl, lower alkyl, etc.; R6 is selected from (a) a substituted or unsubstituted phenyl group, (b) a substituted or unsubstituted pyridyl group, (c) a substituted or unsubstituted thienyl group, (d) a substituted or unsubstitut ed benzofuranyl group, etc.; or a pharmaceutically acceptable salt thereof.
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