Match the following Biomedical techniques and their uses
| List I | List II |
| A. X-ray imaging | i. Density of bones in Osteoporosis |
| B. CAT Scan | ii. Diagnosis of breast, cervical cancers |
| C. MRI Scan | iii. Pneumonia, Tuberculosis |
| D. PET Scan | iv. Diagnosis of pathological conditions of body organs |

Study the chemical structure of an addictive drug shown below and answer the questions that follow.