Patent ID: 7064131

Claim:
A compound of formula I: wherein: R 1 is hydrogen, C 1 –C 4 alkyl optionally substituted 1 time with a hydroxy group, (CH 2 ) n C(O)R 2 , (C 1 –C 4 alkyl)NH2, (CH 2 ) n NHC(O)R 3 , (C 1 –C 4 alkyl optionally substituted 1 time with a hydroxy group)-phenyl optionally substituted 1 or 3 times independently with a C 1 –C 6 alkyl, C 1 –C 4 alkoxy, halo, benzyl, phenyl, trifluoromethoxy, nitro, or an oxo group, or n is 0, 1, or 2; p is 0, 1, 2, 3, or 4; R 2 is C 1 –C 4 alkoxy, hydroxy, (C 1 –C 4 alkyl optionally substituted 1 time with a hydroxy group)-phenyl optionally substituted 1 or 3 times independently with a C 1 –C 6 alkyl, C 1 –C 4 alkoxy, halo, benzyl, phenyl, trifluoromethoxy, nitro, or an oxo group; NHR 4 , or R 3 is C 1 –C 4 alkoxy, phenyl optionally substituted 1 or 3 times independently with a C 1 –C 6 alkyl, C 1 –C 4 alkoxy, halo, beazyl, phenyl, trifluoromethoxy, nitro, or an oxo group, (C 1 –C 4 alkyl optionally substituted 1 time with a bydroxy group)-phenyl optionally substituted 1 or 3 times independently with a C 1 –C 6 alkyl, C 1 –C 4 alkoxy, halo, benzyl, phenyl, trifluoromethoxy, nitro, or an oxo group, or R 4 is (CH 2 ) p -phenyl optionally substituted 1 or 3 times independently with a C 1 –C 6 alkyl, C 1 –C 4 alkoxy, halo, benzyl, phenyl, trifluoromethoxy, nitro, or an oxo group, or or a pharmaceutical salt thereof.