CCCCCCCCCCCCCCCC(=O)OC[C@H](CO[P@@](=O)(O)OCC[N+](C)(C)C)OC(=O)CCCC[C@@H]([C@H](CCCCCCCCCCC)Br)Br PC9 (7R,14S)-14,15-DIBROMO-4-HYDROXY-N,N,N-TRIMETHYL-9-OXO-7-[(PALMITOYLOXY)METHYL]-3,5,8-TRIOXA-4-PHOSPHAHEXACOSAN-1-AMINIUM 4-OXIDE