| 摘要 |
Pancreatitis remedies and medicines for prevention and therapy of reflux esophagitis, containing as the active ingredient compounds represented by the general formula (I) or pharmaceutically acceptable salts thereof: (I) wherein both R1 and R2 are hydrogen, or alternatively R1 and R2 are united to form CH=CH-CH=CH-; R3 and R4 are each independently hydrogen, lower alkyl, lower alkoxy, or halogeno; and Q represents either direct bonding by a single bond between the piperazine ring and the aromatic ring, or A-(CH2)m- (wherein A is oxygen, sulfur, or CH2; and m is an integer of 1 to 10). |
