There have been prepared novel benzo[a]phenazine derivatives of the formula ##STR1## wherein R.sup.1 is hydrogen or methoxy, R.sup.2 is hydrogen, methyl, acetyl, haloacetyl or substituted aminoalkyl, and R.sup.3 is ethoxy or substituted amino. These compounds are useful as antimicrobiological agents.
已经制备了新型
苯并[a]菲啶衍
生物,其
化学式为##STR1## 其中R.sup.1是氢或甲氧基,R.sup.2是氢,甲基,乙酰基,卤代乙酰基或取代的
氨基烷基,R.sup.3是乙氧基或取代的
氨基。这些化合物可用作抗微
生物剂。