| 摘要 |
A pharmaceutical composition comprising a compound of formula (I) wherein X is an electron withdrawing group, Y1 is hydrogen, alkyl, alkenyl, alkynyl, aryl, heterocyclyl, -SO2R4, -CO2R4, -CONHR4 or -COR4, and each of R1, R2 and R4, which may be the same or different, is hydrogen, alkyl, cycloalkyl, alkenyl, cycloalkenyl, alkynyl, aryl or heterocyclyl, or a compound of formula (II) wherein each of Y2 and Y3, which may be the same or different, is hydrogen, alkyl, alkenyl, alkynyl, aryl, heterocyclyl, -SO2R9, -CO2R9, -CONHR9 or -COR9, Z is hydrogen, alkyl, cycloalkyl, alkenyl, cycloalkenyl, alkynyl, aryl, heterocyclyl, -CH=C(NHR10)CH((CH2)mCO2R11)(C=O)CH3 or -CH2(C=O)CH((CH2)mCO2R11)(C=O)CH3, R8 is -(CH2),CO2R12, each of R5 to R7 and R9 to R12, which may be the same or different, is hydrogen, alkyl, cycloalkyl, alkenyl, cycloalkenyl, alkynyl, aryl or heterocyclyl, and each of m and n, which may be the same or different, is 1 to 6 or a compound of formula (III) wherein each of Y4 to Y6, which may be the same or different, is hydrogen, alkyl, alkenyl, alkynyl, aryl, heterocyclyl, -SO2R19, -CO2R19, -CONHR19 or -COR19, each of R16 and R17, which may be the same or different, is -(CH2)pCO2R20, each of R13 TO R15 and R18 to R20, which may be
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