| abstract |
The following formula (1): Q-CHR 2 (1) (During the ceremony, Q is a nitrogen-containing aliphatic group containing two or more tertiary nitrogens and containing no oxygen. R is an aliphatic group containing a biodegradable group) The compounds represented by are disclosed. This compound can be combined with other lipids, lipids capable of reducing aggregation, to form lipid particles. In addition, the lipid particles can be applied to pharmaceutical compositions that deliver activators to cells. |