Answer:
Answer is D. 1,2 & 3.
Step-by-step explanation:
Note that,
* The generic name of a drug is very important because, it will show the chemical name name of the drug when it was first discovered, this will describe the molecular and atomic structure of the drug.
*The contraindication explains the specific situations when a drug should not be used because it may be harmful to the user.
*The user dose shows the quantity of a drug which must be used at a particular point in time.
These three things must be provided before a drug can be approved by the US food and drug administration.