1,3,4-triacetoxy-2-(2'-acetoxyoctadecanoyl)aminooctadecane
1,3,4-triacetoxy-2-(2'-acetoxyoctadecanoyl)aminooctadecane ??
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1,3,4-triacetoxy-2-(2'-acetoxyoctadecanoyl)aminooctadecane ?? ?? ? ???
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1,3,4-triacetoxy-2-(2'-acetoxyoctadecanoyl)aminooctadecane ?? ??
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