The molecule is a mannosylated ceramide phosphoinositol compound having a hexacosanoyl group attached to the ceramide nitrogen, with hydroxylation at C-4 of the long-chain base. It derives from an Ins-1-P-Cer(t18:0/26:0).
[(2S,3S)-2-(hexacosanoylamino)-3,4-dihydroxyicosyl] [(1R,2R,3R,4R,5S,6R)-2,3,4,5-tetrahydroxy-6-[(3S,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxycyclohexyl] hydrogen phosphate