There are a variety of ways you can navigate this course. You can:

• Click the Prev and Next buttons at the bottom of each page to move through the material.
• Use the main navigation with dropdown subsections featured on all pages.
• Use a combination of the above methods to explore the course contents.

For the NLM Navigator activities:

• Turn off pop-up blockers in your browser.
• Follow along in the live PubChem site in the right side frame.
• Use the arrows in the side bar to navigate through the activities.
• Jump to a specific section by clicking the menu button with three lines in the upper right-side corner.
• Important note: Use the arrows or the menu button to navigate to a previous section. Using your browser's back button may cause you to exit the NLM Navigator tutorial.