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Chemistry of Heterocyclic Compounds (New York, NY, United States), 1983 , p. 1116 - 1119
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Negoro, Kenji; Yonetoku, Yasuhiro; Maruyama, Tatsuya; Yoshida, Shigeru; Takeuchi, Makoto; Ohta, Mitsuaki
Bioorganic and Medicinal Chemistry, 2012 , vol. 20, # 7 p. 2369 - 2375