| abstract |
The present invention provides a compound having an excellent prolyl hydroxylase (PHD) 2 inhibitory action. A heteroaryl compound substituted with a triazolyl represented by the formula (I) or a pharmaceutically acceptable salt thereof. (R1 is H or optionally substituted C1-3 alkyl; X is formula CR2 or N; R3 is H, halogen atom, C1-3 alkyl, or C1-3 alkoxy; Y is formula -CONR41-W1-, formula -CONR42-W2-CO-, formula -CH2NHCO-, formula -CH2OCH2-, or formula -NHCOCH2-; ring A is optionally substituted C3-8 cycloalkyl, optionally substituted C3-8 cycloalkenyl, substituted Aryl optionally substituted, saturated heterocyclyl optionally substituted, or heteroaryl optionally substituted) None |