(R)-(7-(Hexadecyloxy)-4-oxido-3,5,9-trioxa-4-phosphapentacosyl)trimethylammonium 4-oxide 3,5,9-Trioxa-4-phosphapentacosan-1-aminium, 7-(hexadecyloxy)-4-hydroxy-N,N,N-trimethyl-, hydroxide, inner salt, 4-oxide, (R)- 36314-47-3 EINECS 252-968-0