Two new phragmalin-type limonoids orthoesters from Entandrophragma candollei
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Two new phragmalin-type limonoids orthoesters, encandollens A and B (1 and 2), were isolated from the stem barks of Entandrophragma candollei collected in Ghana. The structures of these compounds were elucidated on the basis of HR-ESI-MS, 1H and 13C NMR, HSQC,... ...