Acetylsalicylic acid derivative and application thereof

A compound represented by Formula (1) or a pharmaceutically acceptable salt thereof,

• wherein R1 and R2 each independently represent H, substituted or unsubstituted C1-C30 alkyl, substituted or unsubstituted C1-C30 alkoxy, substituted or unsubstituted C2-C30 alkenyl, substituted or unsubstituted C6-C30 aryl, substituted or unsubstituted C7-C30 aralkyl, or substituted or unsubstituted C3-C30 cycloalkyl, or R1 and R2 form 4-, 5-, 6- or 7-membered heterocycle, together with the N to which they are linked;
• R3 represents substituted or unsubstituted C1-C12 alkyl;
• n represents an integer of 0-20.