| 摘要 |
Novel benzene derivatives of the formula (I) shown below, pharmacological salts thereof, pharmacological solvates of the above-mentioned benzene derivatives and salts, pharmaceutical compositions including, as active ingredients, the above-mentioned compounds, and especially, prophylactic or therapeutic medicines for allergic diseases. (see formula I) wherein R1 - H, C1 - C12 cyclic or straight or branched chain alkyl group (which may be substituted by one or more C6 - C10 aryloxy groups), C7 - C12 aralkyl group (of which the aryl group may be substituted one or more of halogen, methyl and methoxy, or C3 - C10 alkenyl which may be substituted by one or more phenyl groups; A = O, S or CH2 group, B = CO or CZ2CO group (Z = H or F), R2 - H or C1 - C4 alkyl group, X = halogen or methyl group, and Y = H; NO2 or CN group.
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