AMP-activated protein kinase activator

A compound represented by the formula (I):

• wherein
• R1 is a propyl group or a C8-10 alkyl group, each of which is optionally substituted by a hydroxy group or a C2-6 alkynyl group;
• R2 is a thienyl group or a pyrazolyl group, each of which is optionally substituted by a substituent selected from the group consisting of a halogen atom, an optionally substituted C1-6 alkyl group, an optionally substituted C6-10 aryl group, a cyano group, a nitro group, a carboxy group, a C1-6 alkoxy-carbonyl group, and an acyl group,
• L1 is a C1-20 alkylene group optionally substituted by a hydroxy group,
• L2 is a divalent group represented by the formula:
• *NHC(═O)**
• or the formula:
• *NHS(O)2**
• wherein * represents a bonding position to L1;
• and ** represents a bonding position to R2;
• and
• n is an integer of 1 to 8,
• or a pharmaceutically acceptable salt thereof, or a hydrate thereof.