| abstract |
Compound of formula (I): ** see formula ** in which: R 1 is hydrogen, halo, hydroxy, C 1-4 alkyl, or C 1-4 alkoxy; R 2 is C 3-4 alkyl, or C 3-6 cycloalkyl; R 3 is hydrogen or C1-3 alkyl; R 4 is -S (O) 2R 6 or -C (O) R 7; R5 is hydrogen, C1-3 alkyl, C2-3 alkyl substituted with -OH or C1-3 alkoxy, or -CH2-pyridyl; R 6 is C 1-3 alkyl; or, R 5 and R 6 together form C3-4 alkenyl; and R 7 is hydrogen, C 1-3 alkyl, or pyridyl; or a pharmaceutically acceptable salt or solvate or stereoisomer thereof. |