. "phosphorus ylides" . "Wittig olefination" . "Wittig reagent" . "Wittig reagents" . "A chemical synthesis of Leukotriene A methyl ester" . . . . "Wittig-like reaction" . . "Wittig reaction" . "Wittig type Reaction" . . "Wittig-type" . . "Wittig reaction#Schlosser modification" . . . . "Wittig" . . "Wittig-type alkenation" . . . "Wittig reaction#Wittig reagents" . "important reagents in organic synthesis" . . "Wittig-type couplings" . . . . . . . . . "Wittig reaction" . .