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ÎÄÏ×1 Borisenko, V. S.; Bobylev, V. A.; Koldovskii, S. G.; Kamskaya, O. I.; J.Gen.Chem.USSR (Engl.Transl.)//Zh.Obshch.Khim.. EN//RU;11//11.1988//1988,58//58,2253-2256//2532-2535.

ÎÄÏ×2 Roux, Charlotte le; Modro, Agnes M.; Modro, Tomasz A.; J.Org.Chem.. EN;12.1995,60,3832-3839.
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ÎÄÏ×2 Kelly, Jeffery W.; Evans, Slayton A.; J.Org.Chem.. EN;26.1986,51,5490-5492.

ÎÄÏ×3 Cheng, Chien-Chung; Lu, Yen-Lin; Chem.Commun.. EN;2.1998,253-254.
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