Chymase inhibitors and cytokine production inhibitors containing compounds represented by general formula (I), prodrugs of the same, pharmaceutically acceptable salts thereof or hydrates of them, wherein A is -CO-, -CONH- or the like; R1 is optionally substituted lower alkyl, optionally substituted aryl or the like; R2 and R3 are each independently hydrogen, optionally substituted lower alkyl or the like; B is -S-, -O- or the like; and R4 is optionally substituted aryl or the like.
含有通式(I)所代表的化合物、其原药、药学上可接受的盐或其
水合物的糜蛋白酶抑制剂和细胞因子产生
抑制剂,其中 A 是-CO-、-CONH-或类似物;R1 是任选取代的低级烷基、任选取代的芳基或类似物;R2 和 R3 各自独立地是氢、任选取代的低级烷基或类似物;B 是-S-、-O-或类似物;R4 是任选取代的芳基或类似物。