The molecule is a mannosylinositol phosphorylceramide compound having a tetracosanoyl group amide-linked to a C20 phytosphingosine base, with hydroxylation at C-2 and C-3 of the C24 very-long-chain fatty acid. It derives from an Ins-1-P-Cer(t20:0/2,3-OH-24:0).
[(2S,3S)-2-(2,3-dihydroxytetracosanoylamino)-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