dinatrium-1-[2-(karboximetoxy)etyl]-1-(karboximetyl)-4,5-dihydro-2-undecyl-1H-imidazoliumhydroxid ###>Disodium 1-[2-(carboxymethoxy)ethyl]-1-(carboxymethyl)-4,5-dihydro-2-undecyl-1H-imidazolium hydroxide