Stereoselective synthesis of (2S,3S,4Z)-4-fluoro-1,3-dihydroxy-2-(octadecanoylamino)octadec-4-ene, [(Z)-4-fluoroceramide], and its phase behavior at the air/water interface - Nikolova, Gergana S.; Haufe, Günter (Beilstein Journal of Organic Chemistry, 2008)