** You will need access to Spectra Special Package (Premium Content ) for this example ** 

- Go to the Chemistry and Chemical Subject Area.

- Reorganize the titles by clicking on the Topic radio button on the far right.

- Click on the title link for HNMR Spectra pf Physiologically Active Compounds.

You can now start to draw a structure by selecting a button from the border of the search window. You can then click within the search window to have that structure drawn.

- You can add functional groups to the structure by repeating the above process, but using the buttons on the left side of the search window.

- You can also click on the Molecular Formula Search link to enter a formula.

- Click on Search to see matching spectra.