Patent ID: 7192940

Claim:
A pharmaceutical composition comprising a compound formula I: or a pharmaceutically acceptable salt thereof, wherein: R 1 , R 2 , R 3 , and R 4 are independently selected from (C 1- C 6 )alkyl, (C 2- C 6 )alkenyl, (C 2- C 6 )alkynyl, phenyl, and benzyl; or R 1 , R 2 , and the carbon to which they are attached are taken together to form a (C 3- C 7 )cycloalkyl group; or R 3 , R 4 , and the carbon to which they are attached are taken together to form a (C 3- C 7 )cycloalkyl group; or R 1 , R 2 , and the carbon to which they are attached are taken together to form a (C 3- C 7 )cycloalkyl group and R 2 , R 2 , and the carbon to which they are attached are taken together to form a (C 3- C 7 )cycloalkyl group, with the proviso that none of R 1 , R 2 , R 3 , or R 4 is —(CH 2 ) 0-4 C≡CH; n and m are independent integers ranging from 0 to 4; K 1 is selected from —CH 2 OH, —OC(O)R 5 , —SO 3 H, K 2 is selected from —CH 2 OH, —C(O)OH, —C(O)OR 5 , —OC(O)R 5 , —SO 3 H, R 5 selected from (C 1- C 6 )alkyl, (C 2- C 6 )alkenyl, (C 2- C 6 )alkynyl, phenyl, and benzyl; each R 6 is independently selected from H, (C 1- C 6 )alkyl, (C 2- C 6 )alkenyl, and (C 2- C 6 )alkynyl; and R 7 is selected from H, (C 1- C 6 )alkyl, (C 2- C 6 )alkenyl, and (C 2- C 6 )alkynyl; and a pharmaceutically acceptable vehicle.