Norethindrone is a synthetic steroid that is better than progesterone in suppressing ovulation.What reagents (1-3) are required to convert norethindrone to the derivatives shown below? 
Definitions:
Add
To attach or combine one thing with another to augment its size, quantity, or total.
UI
This term might refer to "User Interface," which is the means by which a user interacts with a computer, software, or application.
Assumption
A statement accepted as true without proof, often forming the basis of an argument or hypothesis.
MT
Modus Tollens, a form of logical argument or a rule of inference allowing one to deduce a conclusion from a hypothetical proposition and its denial.
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