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- [25] REACTIONS OF 3-TRIPHENYLPHOSPHORANYLIDENE-[B]FUSED FURAN-2(3H)-ONES WITH SOME SALICYLALDEHYDES - NEW SYNTHESIS OF 3-(2-HYDROXYARYL)COUMARINS AND COUMESTANS JOURNAL OF THE CHEMICAL SOCIETY-PERKIN TRANSACTIONS 1, 1992, (21): : 2981 - 2984