1 DU6 1-(4-cyanophenyl)-3-[[3-(2-cyclopropylethynyl)imidazo[2,1-B][1,3]thiazol-5-yl]methyl]urea 1.000 2 DO9 1-(4-cyanophenyl)-3-[[3-(2-cyclopropylethynyl)imidazo[2,1-B][1,3]thiazol-5-yl]methyl]thiourea 0.926