Patent ID: 7557108

Claim:
A compound of formula I: or any pharmaceutically acceptable salt thereof, wherein: A is CH or N; one of R 1 and R 2 is hydrogen and the other one of R 1 and R 2 is: wherein R 4 is a C 3-7 -alkyl or cydoalkyl; R 3 is selected from the group consisting of a C 3-7 -alkyl, —(CR 5 R 6 ) m —R 7 , —(CR 5 R 6 ) n —SO 2 —R 8 and —(CR 5 R 6 ) p —C(O)—R 9 ; wherein: (1) R 5 is hydrogen or lower alkyl; (2) R 6 is hydrogen or lower alkyl; (3) R 7 is selected from the group consisting of cycloalkyl, bicyclo[2.2.1]hept-2-yl, unsubstituted phenyl, and phenyl substituted by one to three substituents selected from the group consisting of lower alkoxy, halogen, lower halogenalkyl and cyano; (4) R 8 is selected from the group consisting of lower alkyl, di-lower alkylamino, thienyl, unsubstituted phenyl and phenyl substituted by one to three substituents selected from the group consisting of lower alkoxy, halogen, lower halogenalkyl and cyano; (5) R 9 is selected from the group consisting of lower alkyl, cycloalkyl, thienyl, unsubstituted phenyl, phenyl substituted by one to three substituents selected from the group consisting of lower alkoxy, halogen, lower halogenalkyl and cyano, and —NH-phenyl, wherein said phenyl is unsubstituted or substituted by one to three substituents selected from the group consisting of lower alkoxy, halogen, lower halogenalkyl and cyano; and (6) m is 1 or 2, n is 0 or 1, and p is 0 or 1.