SEARCH Articles Figures Tables 2,2 -Bithiazoles 2- aminoethyl-2 ,4-bithiazole-4’carboxylic acid 2-aminoethyl-2 ,4-bithiazole 4,4 -Bithiazole metal complexes 4,5 -Bithiazol 4,5 -Bithiazol Bithiazole moiety Bithiazole) (PENBTE)