What_is_the_product_by_mutation_by_oxidation_of_DNA?$

• A. 2,7-dihydro-8-oxoguanine
• B. 1,7-dihydro-7-oxoguanine
• C. 7,8-dihydro-8-oxoguanine
• D. 7,4-dihydro-8-oxoguanine