9322-O16B, an ionizable cationic lipid, is used for LNP generation[1].
References
[1] Zhongfeng Ye, et al. In Vitro Engineering Chimeric Antigen Receptor Macrophages and T Cells by Lipid Nanoparticle-Mediated mRNA Delivery. ACS Biomater Sci Eng. 2022 Feb 14;8(2):722-733. DOI:10.1021/acsbiomaterials.1c01532