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Two new 2-(2-Phenylethyl) chromones were isolated from Bothriochloha ischaemum (Gramineae). They were characterized as 5-hydroxy-6-methoxy-2-[2-(2-hydroxyphenyl)-ethyl]-chromone(1) and 5-hydroxy-2-[2-(2-hydroxyphenyl)-ethyl]-chromone(2) by means of spectroscopic analysis, especially 2D-NMR experiments.
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Wang et al. (2001) studied this question.
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