3-Methyl-2-phenyl-1,3,4-thiadiazol-5-io-
2-Cyano-4-(triphenyl-λ5-phosphanylidene)-buta-2,3-dienoic acid methyl ester
(E)-2-Cyan-2-<1-(1-ethoxycarbonyl)-2-phenylethyl)-4,5-dihydro-1H-tetrazol-5-yliden>essigsaeure-methylester, Triethylammonium-Salz
(E)-2-Cyan-2-<4,5-dihydro-1-(3-phenylpropyl)-1H-tetrazol-5-yliden>essigsaeure-methylester, Triethylammonium-Salz
(E)-2-Cyan-2-<4,5-dihydro-1-(2-methoxyphenyl)-1H-tetrazol-5-yliden>essigsaeure-methylester, Triethylammonium-Salz