Nervous cause characteristic it is painful, formula I in order to manufacture the medicine composition activity in remedying:< Conversion 1 >(In formula, as for X CH or N, and X at the time of CH, R have H, OH and 1 - three carbon atoms, direct or the divergence alkyl chain, it possesses 1 - three carbon atoms, direct or the divergence alkoxy chain, or the halogen atom, and, X at the time of N, R H, or is acid attaching salting which possesses the organic or inorganic acid which can be allowed medicine.)Usage of chemical compound.神経因性疼痛治療における薬剤組成物活性を調製するための式I:【化1】(式中、XはCH又はN、及び、XがCHのとき、RがH、OH、1~3つの炭素原子を有する直鎖又は分岐アルキル鎖、1~3つの炭素原子を有する直鎖又は分岐アルコキシ鎖、又はハロゲン原子、及び、XがNのとき、RがH、又は薬剤的に許容できる有機又は無機酸を有する酸付加塩である。)の化合物の使用方法。
