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Demethylcephalotaxinone.      (Isukura Sangyo K. K., Japan).    Jpn. Kokai Tokkyo Koho  (1983),     5 pp.  CODEN: JKXXAF  JP  58059984  A2  19830409  Showa.   Patent  written in Japanese.    Application: JP  81-157236  19811002.  Priority: .  CAN 99:140218    AN 1983:540218    CAPLUS   (Copyright (C) 2007 ACS on SciFinder (R))

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