Patent ID: 7928130

Claim:
A pharmaceutical composition comprising a compound of Formula I, or a pharmaceutically acceptable salt thereof, and a pharmaceutically acceptable carrier or diluant, wherein Formula I is: wherein: R 1-4 are, independently, R, halo, N 3 , CN, OH, NRR′, or SH; R and R′ are, independently, H or C 1-6 alkyl; X is R, halo, N 3 , CN, OR, NRR′, SH, ═O, or ═CH 2 ; Y is R, NRR′, or NRR″; Z is R, OR, OR″, NRR′, or NRR″; R″ is a saturated or unsaturated, straight or branched chain C 2 -C 18 ; and n is 0 or 1; with the provisos that: (a) when R 1 =R 2 =tert-butyl and each is ortho to OR, at least one of R 1 , R 3 , R 4 , X and Y is not H or Z is not OCH 3 ; and (b) when Z=OH and R=H or methyl, at least one of R 1-4 , X and Y is not H.