(In the formula, R 1, the present invention, CF 3, CHF 2, CH 2 F, CH 3 CHF to provide a tablet comprising an active ingredient a compound of formula as well as hydroxypropyl cellulose (I) and the salts thereof -, CH 3 CF 2 -, represents ethyl or isopropyl, R 2 is halogen, nitro, cyano, acyl, hydroxy, oxo (= O), alkoxy, cycloalkoxy, acyloxy, alkoxycarbonyloxy, amino, alkylamino, represents a substituted alkyl is selected from the group consisting of dialkylamino, formyl, acylamino, alkoxycarbonyl, amino, by one or more substituents, or R 2 is halogen, nitro, cyano, hydroxy, alkoxy, alkylcarbonyl represents heterocyclyl optionally substituted alkyl is selected from the group consisting of oxy, alkoxycarbonyloxy, amino, alkylamino, dialkylamino, alkoxycarbonyl, amino, with one or more substituents, or R 2 is cyano, hydroxy, and a alkanediyl, alkenediyl, alkoxy, hydroxyalkyl, formyl, alkylcarbonyl, alkoxycarbonyl, alkylcarbonyloxy, alkoxycarbonyloxy, amino, alkylamino, dialkylamino, aminoalkyl, alkylamino alkyl, dialkylaminoalkyl, alkoxycarbonyl amino represents a substituted phenyl is selected from the group, by one or more substituents, or R 2 is halogen, hydroxy, amino, nitro, cyano, alkyl, hydroxyalkyl, alkoxyalkyl, aminoalkyl, alkylamino alkyl , and are optionally substituted is selected from the group consisting of dialkylamino alkyl, acyl, alkoxy, acyloxy, alkoxycarbonyloxy, amino, alkylamino, dialkylamino, acylamino, alkoxycarbonyl, amino, by one or more substituents represents heterocyclyl, the heterocycle is attached to the phenyl ring by one carbon atom). The present invention also provides a method of preparing the tablet.本発明は、ヒドロキシプロピルセルロースならびに式(I)の化合物およびその塩から選択される活性成分を含む錠剤を提供する(式中、R1は、CF3、CHF2、CH2F、CH3CHF-、CH3CF2-、エチルまたはイソプロピルを表し、R2は、ハロゲン、ニトロ、シアノ、アシル、ヒドロキシ、オキソ(=O)、アルコキシ、シクロアルコキシ、アシルオキシ、アルコキシカルボニルオキシ、アミノ、アルキルアミノ、ジアルキルアミノ、ホルミル、アシルアミノ、アルコキシカルボニルアミノからなる群から選択される、1つまたは複数の置換基によって置換されたアルキルを表し、またはR2は、ハロゲン、ニトロ、シアノ、ヒドロキシ、アルコキシ、アルキルカルボニルオキシ、アルコキシカルボニルオキシ、アミノ、アルキルアミノ、ジ