The compound or a kind of its pharmaceutically acceptable salt that present disclosure one kind is represented by following formula (IA): wherein n represents 0 to 2； A represents arlydene or heteroarylidene； G represents singly-bound, oxygen atom or-CH2-； E represents nitrogenous non-aromatic heterocyclic； R1 represents alkoxy, alkyloxy-alkoxy or the like； R2 represents hydrogen atom, halogen atom, hydroxyl, alkyl, hydroxy alkyl, nitrogenous non-aromatic heterocyclic group or the like； R3 represents hydrogen atom, alkyl, alkoxy or the like； And R4 represents C1-6 alkyl, and condition is when E represents azetidine ring and R2 or R3 is there are on the nitrogen-atoms on the what azetidine ring, and the R2 or R3 do not represent hydrogen atom.本發明披露一種由以下式(IA)代表的化合物或其一種藥學上可接受的鹽：其中n代表0至2；A代表亞芳基或雜亞芳基；G代表單鍵、氧原子或‑CH2‑；E代表含氮非芳族雜環；R1代表烷氧基、烷氧基烷氧基或類似物；R2代表氫原子、鹵素原子、羥基、烷基、羥基烷基、含氮非芳族雜環基團或類似物；R3代表氫原子、烷基、烷氧基或類似物；並且R4代表C1‑6烷基，其條件是當E代表氮雜環丁烷環並且R2或R3存在於該氮雜環丁烷環上的氮原子上時，該R2或R3不代表氫原子。
