a 2,3-saturated aldehyde + sn-glycerol 3-phosphocholine => a 1-O-(1Z-alkenyl)-sn-glycero-3-phosphocholine + H2O
a 2,3-saturated aldehyde + sn-glycerol 3-phosphocholine => a 1-o-(1z-alkenyl)-sn-glycero-3-phosphocholine + h2o