Which of the following is a correct name ?

Which of the following is/are correct name for the give polymer?

Aspirin is widely used as an analgesic drug. It is optically inactive. The structure of aspirin is Which of the following is not correct name for Aspirin ?

Aspirin is widely used as an analgesic drug. It is optically inactive. The structure of aspirin is Which of the following is not correct name for Aspirin?

Which of the following is correct IUPAC name ?

Which of the following is correct IUPAC name ?

Which of the following is correct IUPAC name ?

Which of the following is correct IUPAC name of any compound.