[(Z)-[1-methyl-3-(pent-4-yn-2-yloxymethyl)imidazol-2-ylidene]methyl]-oxoazanium,chloride

[(Z)-[1-[[(E)-4,4-dimethylpent-2-enoxy]methyl]-3-methylimidazol-2-ylidene]methyl]-oxoazanium,chloride

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

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

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