A compound represented by the formula:
wherein Ar represents a group represented by the formula:
(wherein Y represents methylene or an oxygen atom, R
1
represents aminosulfonyl, C
1-6
alkylaminosulfonyl, C
1-6
alkylcarbonylamino or C
1-6
alkylsulfonylamino, R
2
represents a hydrogen atom or C
1-6
alkyl, R
3
represents C
1-6
alkyl, and R
4
represents a hydrogen atom or C
1-6
alkyl); X represents a carbonyl group, or a methylene group which may be substituted with a hydroxy group; and L represents an optionally substituted C
4-5
alkylene group, or a salt thereof is provided.
一个由以下式表示的化合物:其中Ar代表以下式表示的基团:(其中Y代表亚
甲基或
氧原子,R1代表
氨基磺酰基,C1-6烷基
氨基磺酰基,C1-6烷基羰基
氨基或C1-6烷基磺酰基
氨基,R2代表
氢原子或C1-6烷基,R3代表C1-6烷基,R4代表
氢原子或C1-6烷基);X代表羰基,或者可能被羟基取代的亚
甲基;L代表可选择取代的C4-5烷基
烯基,或其盐。