1 A5H 3-(4-chlorophenyl)-5,6-dihydroimidazo[2,1-B][1,3]thiazole 1.000 2 DYC 3-(4-bromophenyl)imidazo[2,1-B][1,3]thiazole 0.875 3 QHE 3-ethyl-5-phenyl-[1,3]thiazolo[2,3-C][1,2,4]triazole 0.722