Patent ID: 7329752

Claim:
A compound of formula (I): wherein: R 1 is halo or C 1-3 alkyl, wherein C 1-3 alkyl is optionally substituted with hydroxy or halo; R 2 is hydrogen or C 1-3 alkyl, wherein C 1-3 alkyl is optionally substituted with hydroxy; R 3 is C 1-3 alkyl or hydrogen; R 4 is —(CH 2 ) 1-3 C(O)NR a R b , or R 3 and R 4 together with the nitrogen atom to which they are attached form a moiety selected from: (i) a moiety of formula (a): (ii) a moiety of formula (b): (iii) a moiety of formula (c): wherein: R 5 is —OC(O)NR a R b , —C(O)NR a R b , —NR d S(O) 2 C 1-3 alkyl, —NR d C(O)R c , —NR d S(O) 2 NR a R b , or —NR d C(O)OR e ; R 6 is —C(O)R f , —(CH 2 ) 2 OR g , —S(O) 2 NR a R b , —S(O) 2 C 1-3 alkyl, or —S(O) 2 (CH 2 ) 1-3 S(O) 2 C 1-3 alkyl; R a , R b , and R c are independently hydrogen or C 1-3 alkyl; R d is hydrogen or C 1-3 alkyl, wherein C 1-3 alkyl is optionally substituted with hydroxy; R e is C 1-3 alkyl; R f is hydrogen, C 1-3 alkyl, tetrahydrofuranyl, or —NR a R b ; R g is hydrogen or C 1-3 alkyl; a is 0, 1 or 2; b is 0, 1, 2 or 3; c is 0, 1, or 2; d is 1 or 2; and e is 1 or 2; provided that when c is 0, then d is 2, and R 5 is —C(O)NR a R b ; and when c is 2, then d is 1; or a pharmaceutically-acceptable salt or solvate or stereoisomer thereof.