| abstract |
A nitrogen-containing heterocyclic compound represented by formula (I): **(See formula)** in which R1 represents C1-10 alkyl which may be substituted with C1-10 alkoxy, the remainder represented by **(See formula )** in formula (I) represents **(See formula)** R2A represents formula (IV): **(See formula)** in which R7 represents C1-10 alkanoyl, and R3 represents C1- alkyl 10 substituted with fluorine atom(s) or a pharmaceutically acceptable salt thereof. |