[(Z)-[1-methyl-3-(pent-3-yn-2-yloxymethyl)imidazol-2-ylidene]methyl]-oxoazanium,chloride

[(Z)-[1-(hex-1-yn-3-yloxymethyl)-3-methylimidazol-2-ylidene]methyl]-oxoazanium,chloride

[(E)-[3-(ethoxymethyl)-1-methyl-1H-imidazol-1-ium-2-ylidene]methyl]-oxoazanium,chloride

[(Z)-[1-(1-cyclopentylbutoxymethyl)-3-methylimidazol-2-ylidene]methyl]-oxoazanium,chloride

[(Z)-[1-methyl-3-[[(Z)-3-phenylprop-2-enoxy]methyl]imidazol-2-ylidene]methyl]-oxoazanium,chloride