(Phenethyl-4 thiazolyl-2)-1 piperazine dichlorhydrate hemihydrate 1-(4-(2-Phenylethyl)-2-thiazolyl)piperazine hydrochloride hydrate (2:4:1) 73553-77-2 Piperazine, 1-(4-(2-phenylethyl)-2-thiazolyl)-, hydrochloride, hydrate (2:4:1)