Amino derivatives represented by the following general formula (1): ##STR1## and external skin care preparations containing such an amide derivative, are useful for preventing or curing skin roughness. Intermediates useful for the preparation of such amides are also disclosed.
下列一般式(1)所代表的
氨基衍
生物:##STR1## 以及含有此酰胺衍
生物的外用护肤制剂,对于预防或治疗皮肤粗糙是有用的。还披露了制备此类酰胺的中间体。