| 摘要 |
The compound of the formula: <IMAGE> where R1 and R7 are independently hydrogen, fluorine, chlorine, bromine, iodine, trifluoromethyl, cyano, nitro, CO2H, C1-C6 alkyl, C2-C10 alkenyl, C1-C6 alkoxy, C3-C8 cycloalkyl, cycloalkylalkyl, C3-C8 cycloalkyloxy, C2-C7 alkylcarbonyl, C2-C7 alkylcarbonyloxy, C2-C7 alkoxycarbonyl, mono or di-alkylaminocarbonyl, tetrazolyl,-OH,-(CH2)1-6OH, -SH, -NH2 or-(CH2)1-6NR8R9 where R8 is hydrogen, C1-C6 alkyl, C2-C7 alkylcarbonyl, C2-C7 alkoxycarbonyl and R9 is hydrogen or C1-C6 alkyl; R2 is hydrogen or C1-C6 alkyl; R3 and R4 are hydrogen or taken together with the carbon atoms to which they are attached form a double bond; R5 is hydrogen or C1-C6 alkyl; R6 is C 1-C12 alkyl, C3 to C8 cycloalkyl, cycloalkylalkyl, or C6 to C12 bicyclic or C9 to C14 tricyclic alkyl; or a pharmaceutically acceptable salt thereof. |
