150283-37-7 (S) 3,5,9-Trioxa-4-phosphaheptacosan-1-aminium, 7-ethoxy-4-hydroxy-N,N,N-trimethyl-, inner salt, 4-oxide, (1)- 78858-43-2 91605-33-3 (R) AIDS-002119 AIDS002119 ET-18-O Et Phosphoether lipid rac-1-O-Octadecyl-2-O-ethylglycero-3-phosphocholine