The subject invention relates to methods and compositions comprising: a) from about 0.1% to about 5% of a compound having the structure selected from the group consisting of: ##STR1## wherein each R is independently selected from the group consisting of hydrogen, alkyl, and aryl; each R' is independently selected from the group consisting of hydrogen, alkoxy, and alkyl; Z and Z' are independently selected from the group consisting of NH, O, and CH.sub.2 such that when Z or Z' is NH, the other is not O; or a pharmaceutically acceptable salt of any of the aforementioned compounds; and b) a pharmaceutically-acceptable topical carrier.
该主题发明涉及包含的方法和组合物:a)从约0.1%到约5%的化合物,其结构选自以下组:##
STR1## 其中每个R独立地选自
氢,烷基和芳基组;每个R'独立地选自
氢,烷
氧基和烷基组;Z和Z'独立地选自NH,O和CH.sub.2组,使得当Z或Z'为NH时,另一个不是O;或前述化合物中的任何一种的药用可接受盐;以及b)药用可接受的局部载体。