Benzophenone derivative, method for preparing same, and use thereof

A benzophenone derivative, wherein the benzophenone derivative has a structure represented by formula (2):

• wherein:
• n2 is an integer from 1 to 10, R1 is an optionally substituted C1-C8 alkyl, R2 is H or —CH3,
• R4 is H or
• G2 is an optionally substituted C1-C12 alkylene or
• and m3 is an integer from 1 to 11.

A benzophenone derivative, wherein the benzophenone derivative has a structure represented by formula (3):

• wherein:
• n3 is an integer from 1 to 10, R1 is an optionally substituted C1-C8 alkyl, R2 is H or —CH3, R5 is H or
• G2 is an optionally substituted C1-C12 alkylene or
• m3 is an integer from 1 to 11;
• G3 is an optionally substituted C1-C12 alkylene,
• and m4 is an integer from 1 to 11.