0 OH CH2 CH2 HO CH CH CHs CH2-0 CH OH CH. CH-N-CH2 0= OH CH Glycerol Sphingomyelin Phosphatidylcholine 0 CH2-OLC-R R2-CTO-CH 0 1-Stearoyl,2-linoleoyl,3-palmitoyl glycerol, CH2-OTP-OTX a mixed triacylglycerol figure 11-2 CO D Glycerol and a triacylglycerol.The mixed triacylglycerol shown here has three different fatty acids attached to the glycerol backbone.When glycerol has two different fatty acids at C-1 and C-3,the C-2 is a chiral center (p.59)