A primary objective is to provide a drug for radical cure and a therapeutic method for diseases associated with axonal dysfunction (for example, Alzheimer's disease, dementia, Parkinson's disease, spinal cord injury, or brain contusion) based on the pathogenic mechanism thereof. Provided is a compound having a stimulating activity on 1,25D 3 -MARRS or a pharmaceutically acceptable salt thereof. Also provided is a technical idea relating to a pharmaceutical composition for disease treatment comprising a therapeutically effective amount thereof, a production method, a method for preventing or treating a disease, and a kit.
