Novel prostaglandin dehydrogenase inhibiting agents having the structural formula ##STR1## M is H or a pharmaceutically acceptable salt, X is hydrogen, dialkylaminomethyl, lower alkyl, lower alkoxy, aryl, substituted aryl, halogen, cyano, nitro, trihaloalkyl, --NR.sub.1 R.sub.2 or --NHCOR.sub.1 where R.sub.1 and R.sub.2 are hydrogen, lower alkyl or NH.sub.2 and n is 0-5.
具有结构式 ##STR1## 的新型
前列腺素脱氢酶
抑制剂,其中M为H或药物可接受的盐,X为氢,二烷基
氨甲基,较低的烷基,较低的烷氧基,芳基,取代芳基,卤素,
氰基,硝基,三卤代烷基,--NR.sub.1 R.sub.2或--NHCOR.sub.1,其中R.sub.1和R.sub.2为氢,较低的烷基或NH.sub.2,n为0-5。