1-O-Octadecyl-2-azelaorylglycerophosphocholine 117320-06-6 3,5,9-Trioxa-4-phosphaheptacosan-1-aminium, 7-((8-carboxy-1-oxooctyl)oxy)-4-hydroxy-N,N,N-trimethyl-, hydroxide, inner salt, 4-oxide OAGPC