| 摘要 |
A pharmaceutical composition comprising a compound having Formula (I) or a pharmacologically acceptable salt thereof as an active ingredient: [wherein, R1 is, for example, a C6-C10 aryl group which may be substituted with one group or more than one group selected from substituent group alpha; R2 is, for example, a C6-C10 aryl group which may be substituted with one group or more than one group selected from substituent group alpha; and X is, for example, a hydroxyl group or a C1-C6 alkoxy group].
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