ET-18-OEt 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)- 91605-33-3 (R) Aids002119 Aids-002119 Phosphoether lipid Rac-1-o-octadecyl-2-o-ethylglycero-3-phosphocholine