Non-imidazole histamine H3 ligands, Part IV: SAR of 1-[2-thiazol-5-yl-(2-aminoethyl)]-4-n-propylpiperazine derivatives

SAR of 1-[2-thiazol-5-yl-(2-aminoethyl)]-4-n-propylpiperazine derivatives as potential non-imidazole H3 histamine receptor antagonists.