The invention provides compounds capable of acting as antagonists at cannabanoid receptors according to the following formula: Such compounds may be used to treat conditions for which the cannabinoid receptor system has been implicated, such as obesity, liver disease, diabetes, pain, and inflammation.
Peripherally restricted diphenyl purine derivatives
Maitra, R., Fulp, A., Zhang, Y., & Seltzman, H. (2015). Peripherally restricted diphenyl purine derivatives. (U.S. Patent No. 9,187,408). http://patft.uspto.gov/netacgi/nph-Parser?Sect1=PTO1&Sect2=HITOFF&d=PALL&p=1&u=%2Fnetahtml%2FPTO%2Fsrchnum.htm&r=1&f=G&l=50&s1=9187480.PN.&OS=PN/9187480&RS=PN/9187480