US Patent 8106080 Compositions and methods for enhancing nitric oxide delivery

The present invention is directed to compounds, combinations, compositions and methods for enhancing nitric oxide (NO) delivery to target sites, and in particular to muscle, both normal and dystrophic. Enhanced NO delivery according to the present invention may be achieved by using a combination of a muscle relaxant and an NO donor compound, or by using a compound of the invention: formula (I) wherein R1 is H, halo, C1-6 alkoxy or C1-6 alkyl; R2 is H, NO2 or C(O)NH2; R3 is H, NO2 or C(O)NH2; and at least one of R2 and R3 is NO2; or a pharmaceutically acceptable salt of the compound.