F r o m the roots of Ferulago t u r c o m a n i c a. S c h i s c h k. c o l l e c t e d i n t h e T u r k m e n SSR, by chromatography on a column of alumina, we have isolated five crystalline substances of coumarin nature.

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C O U M A R I N S O F P r a n g o s l a t i l o b a S° V . S e r k e r o v , A. A. K a g r a m a n o v , R . M. A b b a s o v , a n d A. M. A l l e y UDC 577.15/17:582.89 By chromatographic separation on a column of alumina, f r o m the resin of the roots of Prangos latfloba Eug. Kor., collected in the Turkmen SSR, we have isolated six crystalline substances of c o u r m a r i n nature in the individual state. Substance (I), C1BH20Os, mp 138-140°C, on being heated with a 5% ethanolic solution of KOH formed a

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