1-Piperazineethanol, alpha-(2,4-dichlorophenyl)-alpha-(1H-imidazol-1-ylmethyl)-4-methyl-, ethanedioate salt 2-(2,4-Dichlorophenyl)-1-(imidazol-1-yl)-3-(N-methylpiperazino)-2-propanol oxalate 83338-50-5