[文献書誌] T.Suzuki,K.Tsunoda,H.Kawamoto,H.Akaiwa: "Utilization of adduct Formation and Masking Effoct for Separation of some Metal 4-(2-thienyl)-4thioxo-1,1,1-trifluoro-2-butanonatos and 4,4,4,-trifworo-1-(2-thienyl)-1.3-butanedinates by Rerersed Phase HPLC" Bull.Chem.Soc.Jpn.