A compound of formula (I), or a pharmaceutically acceptable salt, hydrate, complex or pro-drug thereof,wherein one of R1 and R2 is H, and the other is selected from C1-8-alkyl, C3-6-cycloalkyl and C1-8-alkyl-C5-10-aryl； R3 is selected from tert-butylmethyl, iso-propylmethyl, sec-butyl, tert-butyl, cyclopentyl, cyclohexyl and 1-methylcyclopentyl； R9 is selected from the following:wherein:R4 is selected from C1-8-alkyl and C3-8-cycloalkyl； G is selected from: CH, CMe and N； E is selected from: O, S, SO2, NH, NMe and N-oxide (N→O)； J and R are independently selected from: CH, N and N-oxide (N→O)； andR41 is selected from amino, methylamino, dimethylamino, isopropylamino, isopropyl(methyl)amino, cyclopropylamino, cyclopropyl(methyl)amino, cyclopentylamino, morpholino, piperidin-1-yl, piperidin-1-ylmethyl, morpholinomethyl, 4-methylpiperazin-1-yl, 4-(2-methoxyethyl)piperazin-1-yl, 1-morpholinoethyl, 1-(dimethylamino)ethyl, 1-(methylamino)ethyl, 4-fluoro-1-methylpyrrolidin-2-yl, 4,4-difluoropiperidin-1-yl, piperidin-4-yl, 1-methylpiperidin-4-yl, pyridin-3-ylamino, pyridin-2-ylamino, 1-methylpyrrolidin-3-yl, methyl, isopropyl.The invention further relates to pharmaceutical compositions comprising compounds of formula (I), and the use of such compounds in the treatment of various diseases.
