This invention provides for a compound of formula (I), or a pharmaceutically acceptable salt thereof, wherein RA, RB, R2 and R4 are defined herein. The compounds of formula (I) and pharmaceutically acceptable salts thereof are cationic lipids useful in the delivery of biologically active agents to cells and tissues.
这项发明提供了一个式(I)的化合物,或者其药学上可接受的盐,其中
RA、RB、R2和R4在此处定义。式(I)的化合物及其药学上可接受的盐是阳离子脂质,可用于将
生物活性物质传递给细胞和组织。