Szukana fraza: [Opis = "tytuł równoległy\: Acid\-base equilibrium of 4\-R\-3\-R1\-thiazol\-2\-one hydrazone derivatives. 1, Ionization constants of α\-Methyl\-β\-\(4\-R\-thiazol\-2\-yl\)\- and α\-Methyl\-β\-\(4\-R\-3\-R1\-thiazol\-2\-ylidene\)\-hydrazides of benzoic acid"]

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