Isobharangin, a new biogenetically signi
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A.V.B. Sankaram; K. Bhaskaraiah; M. Marthandamurthi; M. Subrahmanyam
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Article
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1989
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Elsevier Science
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French
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Isobharangin isolated from the hexane extract of the root nodules of the Ayurvedic drug, Pygmacopremna herbacea (Roxb) Moldenke has been shown to be 3B(R),ll-dihydroxy-5,7,9,13abietatetraene-2,12-dione (1) unequivocally from a consideration of its mass spectrum, UV, IR, 1 H NMR and CD spectra, long