{1-[1-(3-Nitro-phenyl)-meth-(Z)-ylidene]-2-oxo-propyl}-phosphonic acid diallyl ester
5-(Bis-allyloxy-phosphoryl)-4-(2-difluoromethoxy-phenyl)-2,6-dimethyl-1,4-dihydro-pyridine-3-carboxylic acid 2-(benzyl-methyl-amino)-ethyl ester
2-(N-benzyl-N-methylamino)ethyl 5-diallylphosphinyl-2,6-dimethyl-4-(2-trif;uoromethylphenyl)-1,4-dihydropyridine-3-carboxylate
2-(N-benzyl-N-methylamino)ethyl 5-diallyloxyphosphinyl-2,6-dimethyl-4-(3-nitrophenyl)-1,4-dihydropyridine-3-carboxylate
5-(Bis-allyloxy-phosphoryl)-2,6-dimethyl-4-(2-nitro-phenyl)-1,4-dihydro-pyridine-3-carboxylic acid 2-(benzyl-methyl-amino)-ethyl ester