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. 2021 Apr 8;9(4):359. doi: 10.3390/vaccines9040359

Figure 5.

Figure 5

Chemical structures of the most common ionizable cationic lipids: 1,2-dioleoyl-3-dimethylaminopropane (DODAP), 1,2-dilinoleoyl-3-dimethylaminopropane, 1,2- dilinoleyloxy-3-dimethylaminopropane (DLin-DMA), 2,2-dilinoleyl- 4-dimethylaminomethyl-[1,3]-dioxolane (DLin-K-DMA) and 2,2-dilinoleyl-4-(2- dimethylaminoethyl)-[1,3]-dioxolane (DLin-KC2-DMA).