1-O-(12-(2-Iodophenyl)dodecyl)-2-O-methylglycero-3-phosphocholine 121269-43-0 3,5,9-Trioxa-4-phosphaheneicosan-1-aminium, 4-hydroxy-21-(3-(iodo-125I)phenyl)-7-methoxy-N,N,N-trimethyl-, hydroxide, inner salt, 4-oxide, (+-)- NM 294 NM-294