The molecule is a triacyl-sn-glycerol in which the acyl groups at positions 1 and 2 are specified as oleoyl while that at position 3 is specifed as stearoyl. It derives from an oleic acid and an octadecanoic acid.
[(2S)-2,3-bis[[(Z)-octadec-9-enoyl]oxy]propyl] octadecanoate