They are derived from the mitomycins by reduction and are the active alkylating agents responsible for the antitumor activity of the mitomycins.
Below is an instruction that describes a task, paired with an input that provides further context. Write a response that appropriately completes the request. ### Instruction: List the MITRE techniques contained in the text. ### Input: They are derived from the mitomycins by reduction and are the active alkylating agents responsible for the antitumor activity of the mitomycins. ### Response: .