abstract |
Provided are novel compounds that inhibit Axl and are useful for treating diseases caused by Axl hyperactivity, diseases associated with Axl hyperfunction, and/or diseases accompanied by Axl hyperfunction; salts thereof; or crystals thereof. Pyridone derivatives having various substituents represented by formula (1), salts thereof, or crystals thereof (wherein R 1 , R 2 , R 3 , R 5 , R 6 , A, W, X and n are each as defined in the specification). |