1 2T6 {[(7-carbamoyl-8h-indeno[1,2-D][1,3]thiazol-4-yl)oxy]methyl}phosphonic acid 1.000 2 2T5 [(8h-indeno[1,2-D][1,3]thiazol-4-yloxy)methyl]phosphonic acid 0.857 3 2T4 {[(2-amino-8h-indeno[1,2-D][1,3]thiazol-4-yl)oxy]methyl}phosphonic acid 0.818