| 摘要 |
PROBLEM TO BE SOLVED: To provide a compound and method for treating a disease mediated by P2Xand/or P2Xreceptor antagonists.SOLUTION: A compound is represented by the formula (I). In the formula, D is optionally oxygen, X is -CH2-; -O-; or the like, Y is hydrogen; or -N, R, R, R, R, R, R, Rand Rare selected from hydrogen; alkyl; alkenyl; cycloalkyl; cycloalkenyl; halo; haloalkyl; hydroxyalkyl; or the like. |
