The method of using compounds of the formula ##STR1## wherein R.sub.1 is hydrogen, fluorine, chlorine, bromine, iodine or cyano, R.sub.2 is fluorine, cyano, trifluoromethyl, nitro or alkyl of 1 to 4 carbon atoms, R.sub.3 is cycloalkyl or alkyl, each of 3 to 5 carbon atoms, and R.sub.4 is hydrogen or --CO--R.sub.5, where R.sub.5 is alkoxy of 1 to 5 carbon atoms, alkenyloxy of 2 to 5 carbon atoms, aryloxy of 6 to 10 carbon atoms, aralkoxy of 7 to 11 carbon atoms, or amino which may be mono- or di-substituted by alkyl of 1 to 5 carbon atoms, alkenyl of 2 to 5 carbon atoms, aryl of 6 to 10 carbon atoms and/or aralkyl of 7 to 11 carbon atoms, and non-toxic, pharmacologically acceptable acid addition salts thereof as antirheumatics and antiphlogistics.
                            使用公式##STR1##中的化合物的方法,其中R.sub.1是氢、
氟、
氯、
溴、
碘或
氰,R.sub.2是
氟、
氰、三
氟甲基、硝基或1至4个碳原子的烷基,R.sub.3是环烷基或烷基,每个碳原子为3至5个,R.sub.4是氢或--CO--R.sub.5,其中R.sub.5是1至5个碳原子的烷氧基,2至5个碳原子的烯氧基,6至10个碳原子的芳氧基,7至11个碳原子的芳基氧基,或
氨基,可以是被1至5个碳原子的烷基,2至5个碳原子的烯基,6至10个碳原子的芳基和/或7至11个碳原子的芳基烷基单或双取代的
氨基,以及其无毒、药理学上可接受的酸盐作为抗风湿药和抗炎药。