82909-97-5 Ino 2628 Ino 2628-CZ Ino-2628 Ino-2628-CZ N,N'-Di(cyclopropylmethyl)piperazine dihydrochloride N,N'-Dicyclopropyl-methyl-piperazine-dichlorhydrate N,N'-Dicyclopropylmethylpiperazine Piperazine, 1,4-bis(cyclopropylmethyl)-, dihydrochloride