| 摘要 |
Compounds represented by the general formula: <CHEM> Äwherein R<1> represents methoxy, ethyl, methylthio, etc., R<2>, R<3> and R<4> each represent hydrogen, a halogen, etc., R<5> and R<6> each represent -X<5>-X<6>-X<7> (wherein X<5> represents a single bond or -CO-, X<6> represents a single bond, -NR<3a>, etc. and X<7> and R<3a> each represent hydrogen, C1-10 alkyl, etc.), and Ar represents phenyl, pyridyl, etc.Ü, salts thereof and hydrates of the foregoing. |
