SciFinder is a useful database of chemical information and published literature. To use SciFinder, you must register at the CAS site. You can find the registration page at this link. Once registered, log in to SciFinder with your registration information and search for drugs, compounds, literature and much more.
Multidisciplinary coverage of over 10,000 journals in the sciences, social sciences, and arts and humanities, as well as published proceedings for over 12,000 conferences per year, and over 50,000 scholarly books. Allows searching for articles in the database that have cited a particular work, as well as perform other analytics.